Merge remote-tracking branch 'qatar/master'

* qatar/master: (53 commits)
  probe: Restore identification of files with very large id3 tags and no extension.
  probe: Remove id3 tag presence as a criteria to do file extension checking.
  mpegts: MP4 SL support
  mpegts: MP4 OD support
  mpegts: Add support for Sections in PMT
  mpegts: Replace the MP4 descriptor parser with a recursive parser.
  mpegts: Add support for multiple mp4 descriptors
  mpegts: Parse mpeg2 SL descriptors.
  isom: Add MPEG4SYSTEMS dummy object type indication.
  aacdec: allow output reconfiguration on channel changes
  nellymoserenc: take float input samples instead of int16
  nellymoserdec: use dsp functions for overlap and windowing
  nellymoserdec: do not fail if there is extra data in the packet
  nellymoserdec: fail if output buffer is too small
  nellymoserdec: remove pointless buffer size check.
  lavf: add init_put_byte() to the list of visible symbols.
  seek-test: free options dictionary after use
  snow: do not draw_edge if emu_edge is set
  tools/pktdumper: update to recent avformat api
  seek-test: update to recent avformat api
  ...

Conflicts:
	doc/APIchanges
	libavcodec/mpegaudiodec.c
	libavcodec/nellymoserdec.c
	libavcodec/snow.c
	libavcodec/version.h
	libavcodec/wmadec.c
	libavformat/avformat.h
	libavformat/mpegts.c
	libavformat/mxfdec.c
	libavformat/utils.c
	libavformat/wtv.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>

doc/APIchanges

@@ -16,6 +16,10 @@ API changes, most recent first:
 2011-10-20 - b35e9e1 - lavu 51.22.0
   Add av_strtok() to avstring.h.
 
+2011-xx-xx - xxxxxxx - lavc 53.15.0
+  Remove avcodec_parse_frame.
+  Deprecate AVCodecContext.parse_only and CODEC_CAP_PARSE_ONLY.
+
 2011-10-xx - xxxxxxx - lavf 53.10.0
   Add avformat_new_stream(). Deprecate av_new_stream().
 

libavcodec/avcodec.h

@@ -383,6 +383,8 @@ enum CodecID {
 
     CODEC_ID_MPEG2TS= 0x20000, /**< _FAKE_ codec to indicate a raw MPEG-2 TS
                                 * stream (only used by libavformat) */
+    CODEC_ID_MPEG4SYSTEMS = 0x20001, /**< _FAKE_ codec to indicate a MPEG-4 Systems
+                                * stream (only used by libavformat) */
     CODEC_ID_FFMETADATA=0x21000,   ///< Dummy codec for streams containing only metadata information.
 };
 
@@ -682,8 +684,10 @@ typedef struct RcOverride{
  * assume the buffer was allocated by avcodec_default_get_buffer.
  */
 #define CODEC_CAP_DR1             0x0002
+#if FF_API_PARSE_FRAME
 /* If 'parse_only' field is true, then avcodec_parse_frame() can be used. */
 #define CODEC_CAP_PARSE_ONLY      0x0004
+#endif
 #define CODEC_CAP_TRUNCATED       0x0008
 /* Codec can export data for HW decoding (XvMC). */
 #define CODEC_CAP_HWACCEL         0x0010
@@ -1590,9 +1594,15 @@ typedef struct AVCodecContext {
      */
     int block_align;
 
-    int parse_only; /* - decoding only: If true, only parsing is done
-                       (function avcodec_parse_frame()). The frame
-                       data is returned. Only MPEG codecs support this now. */
+#if FF_API_PARSE_FRAME
+    /**
+     * If true, only parsing is done. The frame data is returned.
+     * Only MPEG audio decoders support this now.
+     * - encoding: unused
+     * - decoding: Set by user
+     */
+    attribute_deprecated int parse_only;
+#endif
 
     /**
      * 0-> h263 quant 1-> mpeg quant
@@ -4047,10 +4057,6 @@ int avcodec_decode_subtitle2(AVCodecContext *avctx, AVSubtitle *sub,
  */
 void avsubtitle_free(AVSubtitle *sub);
 
-int avcodec_parse_frame(AVCodecContext *avctx, uint8_t **pdata,
-                        int *data_size_ptr,
-                        uint8_t *buf, int buf_size);
-
 /**
  * Encode an audio frame from samples into buf.
  *

libavcodec/mpegaudiodec_float.c

@@ -30,7 +30,9 @@ AVCodec ff_mp1float_decoder = {
     .priv_data_size = sizeof(MPADecodeContext),
     .init           = decode_init,
     .decode         = decode_frame,
+#if FF_API_PARSE_FRAME
     .capabilities   = CODEC_CAP_PARSE_ONLY,
+#endif
     .flush          = flush,
     .long_name      = NULL_IF_CONFIG_SMALL("MP1 (MPEG audio layer 1)"),
 };
@@ -43,7 +45,9 @@ AVCodec ff_mp2float_decoder = {
     .priv_data_size = sizeof(MPADecodeContext),
     .init           = decode_init,
     .decode         = decode_frame,
+#if FF_API_PARSE_FRAME
     .capabilities   = CODEC_CAP_PARSE_ONLY,
+#endif
     .flush          = flush,
     .long_name      = NULL_IF_CONFIG_SMALL("MP2 (MPEG audio layer 2)"),
 };
@@ -56,7 +60,9 @@ AVCodec ff_mp3float_decoder = {
     .priv_data_size = sizeof(MPADecodeContext),
     .init           = decode_init,
     .decode         = decode_frame,
+#if FF_API_PARSE_FRAME
     .capabilities   = CODEC_CAP_PARSE_ONLY,
+#endif
     .flush          = flush,
     .long_name      = NULL_IF_CONFIG_SMALL("MP3 (MPEG audio layer 3)"),
 };
@@ -69,7 +75,9 @@ AVCodec ff_mp3adufloat_decoder = {
     .priv_data_size = sizeof(MPADecodeContext),
     .init           = decode_init,
     .decode         = decode_frame_adu,
+#if FF_API_PARSE_FRAME
     .capabilities   = CODEC_CAP_PARSE_ONLY,
+#endif
     .flush          = flush,
     .long_name      = NULL_IF_CONFIG_SMALL("ADU (Application Data Unit) MP3 (MPEG audio layer 3)"),
 };

libavcodec/nellymoserdec.c

@@ -48,7 +48,7 @@
 typedef struct NellyMoserDecodeContext {
     AVCodecContext* avctx;
     float          *float_buf;
-    float           state[NELLY_BUF_LEN];
+    DECLARE_ALIGNED(16, float, state)[NELLY_BUF_LEN];
     AVLFG           random_state;
     GetBitContext   gb;
     float           scale_bias;
@@ -58,23 +58,6 @@ typedef struct NellyMoserDecodeContext {
     DECLARE_ALIGNED(32, float, imdct_out)[NELLY_BUF_LEN * 2];
 } NellyMoserDecodeContext;
 
-static void overlap_and_window(NellyMoserDecodeContext *s, float *state, float *audio, float *a_in)
-{
-    int bot, top;
-
-    bot = 0;
-    top = NELLY_BUF_LEN-1;
-
-    while (bot < NELLY_BUF_LEN) {
-        audio[bot] = a_in [bot]*ff_sine_128[bot]
-                    +state[bot]*ff_sine_128[top];
-
-        bot++;
-        top--;
-    }
-    memcpy(state, a_in + NELLY_BUF_LEN, sizeof(float)*NELLY_BUF_LEN);
-}
-
 static void nelly_decode_block(NellyMoserDecodeContext *s,
                                const unsigned char block[NELLY_BLOCK_LEN],
                                float audio[NELLY_SAMPLES])
@@ -125,7 +108,9 @@ static void nelly_decode_block(NellyMoserDecodeContext *s,
         s->imdct_ctx.imdct_calc(&s->imdct_ctx, s->imdct_out, aptr);
         /* XXX: overlapping and windowing should be part of a more
            generic imdct function */
-        overlap_and_window(s, s->state, aptr, s->imdct_out);
+        s->dsp.vector_fmul_reverse(s->state, s->state, ff_sine_128, NELLY_BUF_LEN);
+        s->dsp.vector_fmul_add(aptr, s->imdct_out, ff_sine_128, s->state, NELLY_BUF_LEN);
+        memcpy(s->state, s->imdct_out + NELLY_BUF_LEN, sizeof(float)*NELLY_BUF_LEN);
     }
 }
 
@@ -172,20 +157,21 @@ static int decode_tag(AVCodecContext * avctx,
     float   *samples_flt = data;
     *data_size = 0;
 
-    if (buf_size < avctx->block_align) {
-        return buf_size;
-    }
-
-    if (buf_size % NELLY_BLOCK_LEN) {
-        av_log(avctx, AV_LOG_ERROR, "Tag size %d.\n", buf_size);
-        return buf_size;
-    }
     block_size = NELLY_SAMPLES * av_get_bytes_per_sample(avctx->sample_fmt);
-    blocks     = FFMIN(buf_size / NELLY_BLOCK_LEN, data_max / block_size);
+    blocks     = buf_size / NELLY_BLOCK_LEN;
+
     if (blocks <= 0) {
+        av_log(avctx, AV_LOG_ERROR, "Packet is too small\n");
+        return AVERROR_INVALIDDATA;
+    }
+    if (data_max < blocks * block_size) {
         av_log(avctx, AV_LOG_ERROR, "Output buffer is too small\n");
         return AVERROR(EINVAL);
     }
+    if (buf_size % NELLY_BLOCK_LEN) {
+        av_log(avctx, AV_LOG_WARNING, "Leftover bytes: %d.\n",
+               buf_size % NELLY_BLOCK_LEN);
+    }
     /* Normal numbers of blocks for sample rates:
      *  8000 Hz - 1
      * 11025 Hz - 2

libavcodec/nellymoserenc.c

@@ -146,7 +146,7 @@ static av_cold int encode_init(AVCodecContext *avctx)
 
     avctx->frame_size = NELLY_SAMPLES;
     s->avctx = avctx;
-    ff_mdct_init(&s->mdct_ctx, 8, 0, 1.0);
+    ff_mdct_init(&s->mdct_ctx, 8, 0, 32768.0);
     dsputil_init(&s->dsp, avctx);
 
     /* Generate overlap window */
@@ -352,17 +352,15 @@ static void encode_block(NellyMoserEncodeContext *s, unsigned char *output, int
 static int encode_frame(AVCodecContext *avctx, uint8_t *frame, int buf_size, void *data)
 {
     NellyMoserEncodeContext *s = avctx->priv_data;
-    const int16_t *samples = data;
+    const float *samples = data;
     int i;
 
     if (s->last_frame)
         return 0;
 
     if (data) {
-        for (i = 0; i < avctx->frame_size; i++) {
-            s->buf[s->bufsel][i] = samples[i];
-        }
-        for (; i < NELLY_SAMPLES; i++) {
+        memcpy(s->buf[s->bufsel], samples, avctx->frame_size * sizeof(*samples));
+        for (i = avctx->frame_size; i < NELLY_SAMPLES; i++) {
             s->buf[s->bufsel][i] = 0;
         }
         s->bufsel = 1 - s->bufsel;
@@ -393,5 +391,5 @@ AVCodec ff_nellymoser_encoder = {
     .close = encode_end,
     .capabilities = CODEC_CAP_SMALL_LAST_FRAME | CODEC_CAP_DELAY,
     .long_name = NULL_IF_CONFIG_SMALL("Nellymoser Asao"),
-    .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_S16,AV_SAMPLE_FMT_NONE},
+    .sample_fmts = (const enum AVSampleFormat[]){AV_SAMPLE_FMT_FLT,AV_SAMPLE_FMT_NONE},
 };

libavcodec/snow.c

@@ -1665,7 +1665,7 @@ static int frame_start(SnowContext *s){
    int w= s->avctx->width; //FIXME round up to x16 ?
    int h= s->avctx->height;
 
-    if(s->current_picture.data[0] && !(s->avctx->flags&CODEC_FLAG_EMU_EDGE)){
+    if (s->current_picture.data[0] && !(s->avctx->flags&CODEC_FLAG_EMU_EDGE)) {
         s->dsp.draw_edges(s->current_picture.data[0],
                           s->current_picture.linesize[0], w   , h   ,
                           EDGE_WIDTH  , EDGE_WIDTH  , EDGE_TOP | EDGE_BOTTOM);

libavcodec/version.h

@@ -21,7 +21,7 @@
 #define AVCODEC_VERSION_H
 
 #define LIBAVCODEC_VERSION_MAJOR 53
-#define LIBAVCODEC_VERSION_MINOR 23
+#define LIBAVCODEC_VERSION_MINOR 24
 #define LIBAVCODEC_VERSION_MICRO  0
 
 #define LIBAVCODEC_VERSION_INT  AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
@@ -101,5 +101,8 @@
 #ifndef FF_API_GET_ALPHA_INFO
 #define FF_API_GET_ALPHA_INFO    (LIBAVCODEC_VERSION_MAJOR < 54)
 #endif
+#ifndef FF_API_PARSE_FRAME
+#define FF_API_PARSE_FRAME (LIBAVCODEC_VERSION_MAJOR < 54)
+#endif
 
 #endif /* AVCODEC_VERSION_H */

libavcodec/wmadec.c

@@ -816,7 +816,7 @@ static int wma_decode_superframe(AVCodecContext *avctx,
     const uint8_t *buf = avpkt->data;
     int buf_size = avpkt->size;
     WMACodecContext *s = avctx->priv_data;
-    int nb_frames, bit_offset, i, pos, len;
+    int nb_frames, bit_offset, i, pos, len, out_size;
     uint8_t *q;
     int16_t *samples;
 
@@ -838,13 +838,19 @@ static int wma_decode_superframe(AVCodecContext *avctx,
     if (s->use_bit_reservoir) {
         /* read super frame header */
         skip_bits(&s->gb, 4); /* super frame index */
-        nb_frames = get_bits(&s->gb, 4) - 1;
+        nb_frames = get_bits(&s->gb, 4) - (s->last_superframe_len <= 0);
+    } else {
+        nb_frames = 1;
+    }
 
-        if((nb_frames+1) * s->nb_channels * s->frame_len * sizeof(int16_t) > *data_size){
+    out_size = nb_frames * s->frame_len * s->nb_channels *
+               av_get_bytes_per_sample(avctx->sample_fmt);
+    if (*data_size < out_size) {
         av_log(s->avctx, AV_LOG_ERROR, "Insufficient output space\n");
         goto fail;
     }
 
+    if (s->use_bit_reservoir) {
         bit_offset = get_bits(&s->gb, s->byte_offset_bits + 3);
 
         if (s->last_superframe_len > 0) {
@@ -873,6 +879,7 @@ static int wma_decode_superframe(AVCodecContext *avctx,
             if (wma_decode_frame(s, samples) < 0)
                 goto fail;
             samples += s->nb_channels * s->frame_len;
+            nb_frames--;
         }
 
         /* read each frame starting from bit_offset */
@@ -901,10 +908,6 @@ static int wma_decode_superframe(AVCodecContext *avctx,
         s->last_superframe_len = len;
         memcpy(s->last_superframe, buf + pos, len);
     } else {
-        if(s->nb_channels * s->frame_len * sizeof(int16_t) > *data_size){
-            av_log(s->avctx, AV_LOG_ERROR, "Insufficient output space\n");
-            goto fail;
-        }
         /* single frame decode */
         if (wma_decode_frame(s, samples) < 0)
             goto fail;
@@ -912,7 +915,7 @@ static int wma_decode_superframe(AVCodecContext *avctx,
     }
 
 //av_log(NULL, AV_LOG_ERROR, "%d %d %d %d outbytes:%d eaten:%d\n", s->frame_len_bits, s->block_len_bits, s->frame_len, s->block_len,        (int8_t *)samples - (int8_t *)data, s->block_align);
-    *data_size = (int8_t *)samples - (int8_t *)data;
+    *data_size = out_size;
     return buf_size;
  fail:
     /* when error, we reset the bit reservoir */

libavcodec/wmaprodec.c

@@ -86,12 +86,14 @@
  * subframe in order to reconstruct the output samples.
  */
 
+#include "libavutil/intreadwrite.h"
 #include "avcodec.h"
 #include "internal.h"
 #include "get_bits.h"
 #include "put_bits.h"
 #include "wmaprodata.h"
 #include "dsputil.h"
+#include "fmtconvert.h"
 #include "sinewin.h"
 #include "wma.h"
 
@@ -166,6 +168,7 @@ typedef struct WMAProDecodeCtx {
     /* generic decoder variables */
     AVCodecContext*  avctx;                         ///< codec context for av_log
     DSPContext       dsp;                           ///< accelerated DSP functions
+    FmtConvertContext fmt_conv;
     uint8_t          frame_data[MAX_FRAMESIZE +
                       FF_INPUT_BUFFER_PADDING_SIZE];///< compressed frame data
     PutBitContext    pb;                            ///< context for filling the frame_data buffer
@@ -279,6 +282,7 @@ static av_cold int decode_init(AVCodecContext *avctx)
 
     s->avctx = avctx;
     dsputil_init(&s->dsp, avctx);
+    ff_fmt_convert_init(&s->fmt_conv, avctx);
     init_put_bits(&s->pb, s->frame_data, MAX_FRAMESIZE);
 
     avctx->sample_fmt = AV_SAMPLE_FMT_FLT;
@@ -767,7 +771,7 @@ static int decode_coeffs(WMAProDecodeCtx *s, int c)
     /* Integers 0..15 as single-precision floats.  The table saves a
        costly int to float conversion, and storing the values as
        integers allows fast sign-flipping. */
-    static const int fval_tab[16] = {
+    static const uint32_t fval_tab[16] = {
         0x00000000, 0x3f800000, 0x40000000, 0x40400000,
         0x40800000, 0x40a00000, 0x40c00000, 0x40e00000,
         0x41000000, 0x41100000, 0x41200000, 0x41300000,
@@ -799,7 +803,7 @@ static int decode_coeffs(WMAProDecodeCtx *s, int c)
       4 vector coded large values) */
     while ((s->transmit_num_vec_coeffs || !rl_mode) &&
            (cur_coeff + 3 < ci->num_vec_coeffs)) {
-        int vals[4];
+        uint32_t vals[4];
         int i;
         unsigned int idx;
 
@@ -809,15 +813,15 @@ static int decode_coeffs(WMAProDecodeCtx *s, int c)
             for (i = 0; i < 4; i += 2) {
                 idx = get_vlc2(&s->gb, vec2_vlc.table, VLCBITS, VEC2MAXDEPTH);
                 if (idx == HUFF_VEC2_SIZE - 1) {
-                    int v0, v1;
+                    uint32_t v0, v1;
                     v0 = get_vlc2(&s->gb, vec1_vlc.table, VLCBITS, VEC1MAXDEPTH);
                     if (v0 == HUFF_VEC1_SIZE - 1)
                         v0 += ff_wma_get_large_val(&s->gb);
                     v1 = get_vlc2(&s->gb, vec1_vlc.table, VLCBITS, VEC1MAXDEPTH);
                     if (v1 == HUFF_VEC1_SIZE - 1)
                         v1 += ff_wma_get_large_val(&s->gb);
-                    ((float*)vals)[i  ] = v0;
-                    ((float*)vals)[i+1] = v1;
+                    vals[i  ] = ((av_alias32){ .f32 = v0 }).u32;
+                    vals[i+1] = ((av_alias32){ .f32 = v1 }).u32;
                 } else {
                     vals[i]   = fval_tab[symbol_to_vec2[idx] >> 4 ];
                     vals[i+1] = fval_tab[symbol_to_vec2[idx] & 0xF];
@@ -833,8 +837,8 @@ static int decode_coeffs(WMAProDecodeCtx *s, int c)
         /** decode sign */
         for (i = 0; i < 4; i++) {
             if (vals[i]) {
-                int sign = get_bits1(&s->gb) - 1;
-                *(uint32_t*)&ci->coeffs[cur_coeff] = vals[i] ^ sign<<31;
+                uint32_t sign = get_bits1(&s->gb) - 1;
+                AV_WN32A(&ci->coeffs[cur_coeff], vals[i] ^ sign << 31);
                 num_zeros = 0;
             } else {
                 ci->coeffs[cur_coeff] = 0;
@@ -1281,6 +1285,7 @@ static int decode_frame(WMAProDecodeCtx *s)
     int more_frames = 0;
     int len = 0;
     int i;
+    const float *out_ptr[WMAPRO_MAX_CHANNELS];
 
     /** check for potential output buffer overflow */
     if (s->num_channels * s->samples_per_frame > s->samples_end - s->samples) {
@@ -1356,18 +1361,12 @@ static int decode_frame(WMAProDecodeCtx *s)
     }
 
     /** interleave samples and write them to the output buffer */
-    for (i = 0; i < s->num_channels; i++) {
-        float* ptr  = s->samples + i;
-        int incr = s->num_channels;
-        float* iptr = s->channel[i].out;
-        float* iend = iptr + s->samples_per_frame;
-
-        // FIXME should create/use a DSP function here
-        while (iptr < iend) {
-            *ptr = *iptr++;
-            ptr += incr;
-        }
+    for (i = 0; i < s->num_channels; i++)
+        out_ptr[i] = s->channel[i].out;
+    s->fmt_conv.float_interleave(s->samples, out_ptr, s->samples_per_frame,
+                                 s->num_channels);
 
+    for (i = 0; i < s->num_channels; i++) {
         /** reuse second half of the IMDCT output for the next frame */
         memcpy(&s->channel[i].out[0],
                &s->channel[i].out[s->samples_per_frame],

libavcodec/wmavoice.c

@@ -1730,7 +1730,7 @@ static int synth_superframe(AVCodecContext *ctx,
 {
     WMAVoiceContext *s = ctx->priv_data;
     GetBitContext *gb = &s->gb, s_gb;
-    int n, res, n_samples = 480;
+    int n, res, out_size, n_samples = 480;
     double lsps[MAX_FRAMES][MAX_LSPS];
     const double *mean_lsf = s->lsps == 16 ?
         wmavoice_mean_lsf16[s->lsp_def_mode] : wmavoice_mean_lsf10[s->lsp_def_mode];
@@ -1748,7 +1748,10 @@ static int synth_superframe(AVCodecContext *ctx,
         s->sframe_cache_size = 0;
     }
 
-    if ((res = check_bits_for_superframe(gb, s)) == 1) return 1;
+    if ((res = check_bits_for_superframe(gb, s)) == 1) {
+        *data_size = 0;
+        return 1;
+    }
 
     /* First bit is speech/music bit, it differentiates between WMAVoice
      * speech samples (the actual codec) and WMAVoice music samples, which
@@ -1789,6 +1792,14 @@ static int synth_superframe(AVCodecContext *ctx,
             stabilize_lsps(lsps[n], s->lsps);
     }
 
+    out_size = n_samples * av_get_bytes_per_sample(ctx->sample_fmt);
+    if (*data_size < out_size) {
+        av_log(ctx, AV_LOG_ERROR,
+               "Output buffer too small (%d given - %zu needed)\n",
+               *data_size, out_size);
+        return -1;
+    }
+
     /* Parse frames, optionally preceeded by per-frame (independent) LSPs. */
     for (n = 0; n < 3; n++) {
         if (!s->has_residual_lsps) {
@@ -1808,9 +1819,11 @@ static int synth_superframe(AVCodecContext *ctx,
                                &samples[n * MAX_FRAMESIZE],
                                lsps[n], n == 0 ? s->prev_lsps : lsps[n - 1],
                                &excitation[s->history_nsamples + n * MAX_FRAMESIZE],
-                               &synth[s->lsps + n * MAX_FRAMESIZE])))
+                               &synth[s->lsps + n * MAX_FRAMESIZE]))) {
+            *data_size = 0;
             return res;
         }
+    }
 
     /* Statistics? FIXME - we don't check for length, a slight overrun
      * will be caught by internal buffer padding, and anything else
@@ -1821,7 +1834,7 @@ static int synth_superframe(AVCodecContext *ctx,
     }
 
     /* Specify nr. of output samples */
-    *data_size = n_samples * sizeof(float);
+    *data_size = out_size;
 
     /* Update history */
     memcpy(s->prev_lsps,           lsps[2],
@@ -1915,22 +1928,16 @@ static int wmavoice_decode_packet(AVCodecContext *ctx, void *data,
     GetBitContext *gb = &s->gb;
     int size, res, pos;
 
-    if (*data_size < 480 * sizeof(float)) {
-        av_log(ctx, AV_LOG_ERROR,
-               "Output buffer too small (%d given - %zu needed)\n",
-               *data_size, 480 * sizeof(float));
-        return -1;
-    }
-    *data_size = 0;
-
     /* Packets are sometimes a multiple of ctx->block_align, with a packet
      * header at each ctx->block_align bytes. However, FFmpeg's ASF demuxer
      * feeds us ASF packets, which may concatenate multiple "codec" packets
      * in a single "muxer" packet, so we artificially emulate that by
      * capping the packet size at ctx->block_align. */
     for (size = avpkt->size; size > ctx->block_align; size -= ctx->block_align);
-    if (!size)
+    if (!size) {
+        *data_size = 0;
         return 0;
+    }
     init_get_bits(&s->gb, avpkt->data, size << 3);
 
     /* size == ctx->block_align is used to indicate whether we are dealing with

libavformat/asfdec.c

@@ -1297,7 +1297,7 @@ static int asf_read_seek(AVFormatContext *s, int stream_index, int64_t pts, int
         }
     }
     /* no index or seeking by index failed */
-    if(av_seek_frame_binary(s, stream_index, pts, flags)<0)
+    if (ff_seek_frame_binary(s, stream_index, pts, flags) < 0)
         return -1;
     asf_reset_header(s);
     return 0;

libavformat/avformat.h

@@ -523,8 +523,10 @@ typedef struct AVStream {
     AVRational r_frame_rate;
     void *priv_data;
 
+#if FF_API_REORDER_PRIVATE
     /* internal data used in av_find_stream_info() */
     int64_t first_dts;
+#endif
 
     /**
      * encoding: pts generation when outputting stream
@@ -539,7 +541,9 @@ typedef struct AVStream {
      * encoding: set by libavformat in av_write_header
      */
     AVRational time_base;
+#if FF_API_REORDER_PRIVATE
     int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
+#endif
 #if FF_API_STREAM_COPY
     /* ffmpeg.c private use */
     attribute_deprecated int stream_copy; /**< If set, just copy stream. */
@@ -572,6 +576,7 @@ typedef struct AVStream {
      */
     int64_t duration;
 
+#if FF_API_REORDER_PRIVATE
     /* av_read_frame() support */
     enum AVStreamParseType need_parsing;
     struct AVCodecParserContext *parser;
@@ -584,14 +589,17 @@ typedef struct AVStream {
                                     support seeking natively. */
     int nb_index_entries;
     unsigned int index_entries_allocated_size;
+#endif
 
     int64_t nb_frames;                 ///< number of frames in this stream if known or 0
 
     int disposition; /**< AV_DISPOSITION_* bit field */
 
+#if FF_API_REORDER_PRIVATE
     AVProbeData probe_data;
 #define MAX_REORDER_DELAY 16
     int64_t pts_buffer[MAX_REORDER_DELAY+1];
+#endif
 
     /**
      * sample aspect ratio (0 if unknown)
@@ -602,6 +610,7 @@ typedef struct AVStream {
 
     AVDictionary *metadata;
 
+#if FF_API_REORDER_PRIVATE
     /* Intended mostly for av_read_frame() support. Not supposed to be used by */
     /* external applications; try to use something else if at all possible.    */
     const uint8_t *cur_ptr;
@@ -630,12 +639,21 @@ typedef struct AVStream {
      * used internally, NOT PART OF PUBLIC API, dont read or write from outside of libav*
      */
     struct AVPacketList *last_in_packet_buffer;
+#endif
 
     /**
      * Average framerate
      */
     AVRational avg_frame_rate;
 
+    /*****************************************************************
+     * All fields below this line are not part of the public API. They
+     * may not be used outside of libavformat and can be changed and
+     * removed at will.
+     * New public fields should be added right above.
+     *****************************************************************
+     */
+
     /**
      * Number of frames that have been demuxed during av_find_stream_info()
      */
@@ -665,6 +683,49 @@ typedef struct AVStream {
      * NOT PART OF PUBLIC API
      */
     int request_probe;
+#if !FF_API_REORDER_PRIVATE
+    const uint8_t *cur_ptr;
+    int cur_len;
+    AVPacket cur_pkt;
+
+    // Timestamp generation support:
+    /**
+     * Timestamp corresponding to the last dts sync point.
+     *
+     * Initialized when AVCodecParserContext.dts_sync_point >= 0 and
+     * a DTS is received from the underlying container. Otherwise set to
+     * AV_NOPTS_VALUE by default.
+     */
+    int64_t reference_dts;
+    int64_t first_dts;
+    int64_t cur_dts;
+    int last_IP_duration;
+    int64_t last_IP_pts;
+
+    /**
+     * Number of packets to buffer for codec probing
+     */
+#define MAX_PROBE_PACKETS 2500
+    int probe_packets;
+
+    /**
+     * last packet in packet_buffer for this stream when muxing.
+     */
+    struct AVPacketList *last_in_packet_buffer;
+    AVProbeData probe_data;
+#define MAX_REORDER_DELAY 16
+    int64_t pts_buffer[MAX_REORDER_DELAY+1];
+    /* av_read_frame() support */
+    enum AVStreamParseType need_parsing;
+    struct AVCodecParserContext *parser;
+
+    AVIndexEntry *index_entries; /**< Only used if the format does not
+                                    support seeking natively. */
+    int nb_index_entries;
+    unsigned int index_entries_allocated_size;
+
+    int pts_wrap_bits; /**< number of bits in pts (used for wrapping control) */
+#endif
 } AVStream;
 
 #define AV_PROGRAM_RUNNING 1
@@ -724,6 +785,7 @@ typedef struct AVFormatContext {
 #endif
 
     int ctx_flags; /**< Format-specific flags, see AVFMTCTX_xx */
+#if FF_API_REORDER_PRIVATE
     /* private data for pts handling (do not modify directly). */
     /**
      * This buffer is only needed when packets were already buffered but
@@ -731,6 +793,7 @@ typedef struct AVFormatContext {
      * streams.
      */
     struct AVPacketList *packet_buffer;
+#endif
 
     /**
      * Decoding: position of the first frame of the component, in
@@ -761,11 +824,13 @@ typedef struct AVFormatContext {
      */
     int bit_rate;
 
+#if FF_API_REORDER_PRIVATE
     /* av_read_frame() support */
     AVStream *cur_st;
 
     /* av_seek_frame() support */
     int64_t data_offset; /**< offset of the first packet */
+#endif
 
 #if FF_API_MUXRATE
     /**
@@ -876,6 +941,7 @@ typedef struct AVFormatContext {
     int debug;
 #define FF_FDEBUG_TS        0x0001
 
+#if FF_API_REORDER_PRIVATE
     /**
      * Raw packets from the demuxer, prior to parsing and decoding.
      * This buffer is used for buffering packets until the codec can
@@ -886,15 +952,18 @@ typedef struct AVFormatContext {
     struct AVPacketList *raw_packet_buffer_end;
 
     struct AVPacketList *packet_buffer_end;
+#endif
 
     AVDictionary *metadata;
 
+#if FF_API_REORDER_PRIVATE
     /**
      * Remaining size available for raw_packet_buffer, in bytes.
      * NOT PART OF PUBLIC API
      */
 #define RAW_PACKET_BUFFER_SIZE 2500000
     int raw_packet_buffer_remaining_size;
+#endif
 
     /**
      * Start time of the stream in real world time, in microseconds
@@ -923,6 +992,43 @@ typedef struct AVFormatContext {
      * This will be moved into demuxer private options. Thus no API/ABI compatibility
      */
     int ts_id;
+
+    /*****************************************************************
+     * All fields below this line are not part of the public API. They
+     * may not be used outside of libavformat and can be changed and
+     * removed at will.
+     * New public fields should be added right above.
+     *****************************************************************
+     */
+#if !FF_API_REORDER_PRIVATE
+    /**
+     * Raw packets from the demuxer, prior to parsing and decoding.
+     * This buffer is used for buffering packets until the codec can
+     * be identified, as parsing cannot be done without knowing the
+     * codec.
+     */
+    struct AVPacketList *raw_packet_buffer;
+    struct AVPacketList *raw_packet_buffer_end;
+    /**
+     * Remaining size available for raw_packet_buffer, in bytes.
+     */
+#define RAW_PACKET_BUFFER_SIZE 2500000
+    int raw_packet_buffer_remaining_size;
+
+    /**
+     * This buffer is only needed when packets were already buffered but
+     * not decoded, for example to get the codec parameters in MPEG
+     * streams.
+     */
+    struct AVPacketList *packet_buffer;
+    struct AVPacketList *packet_buffer_end;
+
+    /* av_read_frame() support */
+    AVStream *cur_st;
+
+    /* av_seek_frame() support */
+    int64_t data_offset; /**< offset of the first packet */
+#endif
 } AVFormatContext;
 
 typedef struct AVPacketList {
@@ -1479,40 +1585,20 @@ int av_index_search_timestamp(AVStream *st, int64_t timestamp, int flags);
 int av_add_index_entry(AVStream *st, int64_t pos, int64_t timestamp,
                        int size, int distance, int flags);
 
-/**
- * Perform a binary search using av_index_search_timestamp() and
- * AVInputFormat.read_timestamp().
- * This is not supposed to be called directly by a user application,
- * but by demuxers.
- * @param target_ts target timestamp in the time base of the given stream
- * @param stream_index stream number
- */
+#if FF_API_SEEK_PUBLIC
+attribute_deprecated
 int av_seek_frame_binary(AVFormatContext *s, int stream_index,
                          int64_t target_ts, int flags);
-
-/**
- * Update cur_dts of all streams based on the given timestamp and AVStream.
- *
- * Stream ref_st unchanged, others set cur_dts in their native time base.
- * Only needed for timestamp wrapping or if (dts not set and pts!=dts).
- * @param timestamp new dts expressed in time_base of param ref_st
- * @param ref_st reference stream giving time_base of param timestamp
- */
+attribute_deprecated
 void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
-
-/**
- * Perform a binary search using read_timestamp().
- * This is not supposed to be called directly by a user application,
- * but by demuxers.
- * @param target_ts target timestamp in the time base of the given stream
- * @param stream_index stream number
- */
+attribute_deprecated
 int64_t av_gen_search(AVFormatContext *s, int stream_index,
                       int64_t target_ts, int64_t pos_min,
                       int64_t pos_max, int64_t pos_limit,
                       int64_t ts_min, int64_t ts_max,
                       int flags, int64_t *ts_ret,
                       int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ));
+#endif
 
 /**
  * media file output

libavformat/internal.h

@@ -251,4 +251,37 @@ enum CodecID ff_guess_image2_codec(const char *filename);
  */
 int64_t ff_iso8601_to_unix_time(const char *datestr);
 
+/**
+ * Perform a binary search using av_index_search_timestamp() and
+ * AVInputFormat.read_timestamp().
+ *
+ * @param target_ts target timestamp in the time base of the given stream
+ * @param stream_index stream number
+ */
+int ff_seek_frame_binary(AVFormatContext *s, int stream_index,
+                         int64_t target_ts, int flags);
+
+/**
+ * Update cur_dts of all streams based on the given timestamp and AVStream.
+ *
+ * Stream ref_st unchanged, others set cur_dts in their native time base.
+ * Only needed for timestamp wrapping or if (dts not set and pts!=dts).
+ * @param timestamp new dts expressed in time_base of param ref_st
+ * @param ref_st reference stream giving time_base of param timestamp
+ */
+void ff_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp);
+
+/**
+ * Perform a binary search using read_timestamp().
+ *
+ * @param target_ts target timestamp in the time base of the given stream
+ * @param stream_index stream number
+ */
+int64_t ff_gen_search(AVFormatContext *s, int stream_index,
+                      int64_t target_ts, int64_t pos_min,
+                      int64_t pos_max, int64_t pos_limit,
+                      int64_t ts_min, int64_t ts_max,
+                      int flags, int64_t *ts_ret,
+                      int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ));
+
 #endif /* AVFORMAT_INTERNAL_H */

libavformat/isom.c

@@ -61,6 +61,8 @@ const AVCodecTag ff_mp4_obj_type[] = {
     { CODEC_ID_VORBIS    , 0xDD }, /* non standard, gpac uses it */
     { CODEC_ID_DVD_SUBTITLE, 0xE0 }, /* non standard, see unsupported-embedded-subs-2.mp4 */
     { CODEC_ID_QCELP     , 0xE1 },
+    { CODEC_ID_MPEG4SYSTEMS, 0x01 },
+    { CODEC_ID_MPEG4SYSTEMS, 0x02 },
     { CODEC_ID_NONE      ,    0 },
 };
 

libavformat/isom.h

@@ -150,10 +150,12 @@ int ff_mp4_read_descr(AVFormatContext *fc, AVIOContext *pb, int *tag);
 int ff_mp4_read_dec_config_descr(AVFormatContext *fc, AVStream *st, AVIOContext *pb);
 void ff_mp4_parse_es_descr(AVIOContext *pb, int *es_id);
 
+#define MP4ODescrTag                    0x01
 #define MP4IODescrTag                   0x02
 #define MP4ESDescrTag                   0x03
 #define MP4DecConfigDescrTag            0x04
 #define MP4DecSpecificDescrTag          0x05
+#define MP4SLDescrTag                   0x06
 
 int ff_mov_read_esds(AVFormatContext *fc, AVIOContext *pb, MOVAtom atom);
 enum CodecID ff_mov_get_lpcm_codec_id(int bps, int flags);

libavformat/matroskadec.c

@@ -2071,7 +2071,7 @@ static int matroska_read_seek(AVFormatContext *s, int stream_index,
     matroska->skip_to_keyframe = !(flags & AVSEEK_FLAG_ANY);
     matroska->skip_to_timecode = st->index_entries[index].timestamp;
     matroska->done = 0;
-    av_update_cur_dts(s, st, st->index_entries[index].timestamp);
+    ff_update_cur_dts(s, st, st->index_entries[index].timestamp);
     return 0;
 }
 

libavformat/mpegts.h

@@ -39,6 +39,7 @@
 /* table ids */
 #define PAT_TID   0x00
 #define PMT_TID   0x02
+#define M4OD_TID  0x05
 #define SDT_TID   0x42
 
 #define STREAM_TYPE_VIDEO_MPEG1     0x01
@@ -64,6 +65,30 @@ int ff_mpegts_parse_packet(MpegTSContext *ts, AVPacket *pkt,
                            const uint8_t *buf, int len);
 void ff_mpegts_parse_close(MpegTSContext *ts);
 
+typedef struct {
+    int use_au_start;
+    int use_au_end;
+    int use_rand_acc_pt;
+    int use_padding;
+    int use_timestamps;
+    int use_idle;
+    int timestamp_res;
+    int timestamp_len;
+    int ocr_len;
+    int au_len;
+    int inst_bitrate_len;
+    int degr_prior_len;
+    int au_seq_num_len;
+    int packet_seq_num_len;
+} SLConfigDescr;
+
+typedef struct {
+    int es_id;
+    int dec_config_descr_len;
+    uint8_t *dec_config_descr;
+    SLConfigDescr sl;
+} Mp4Descr;
+
 /**
  * Parse an MPEG-2 descriptor
  * @param[in] fc                    Format context (used for logging only)
@@ -79,7 +104,7 @@ void ff_mpegts_parse_close(MpegTSContext *ts);
  */
 int ff_parse_mpeg2_descriptor(AVFormatContext *fc, AVStream *st, int stream_type,
                               const uint8_t **pp, const uint8_t *desc_list_end,
-                              int mp4_dec_config_descr_len, int mp4_es_id, int pid,
-                              uint8_t *mp4_dec_config_descr);
+                              Mp4Descr *mp4_descr, int mp4_descr_count, int pid,
+                              MpegTSContext *ts);
 
 #endif /* AVFORMAT_MPEGTS_H */

libavformat/mxfdec.c

@@ -49,6 +49,7 @@
 #include "libavutil/mathematics.h"
 #include "libavcodec/bytestream.h"
 #include "avformat.h"
+#include "internal.h"
 #include "mxf.h"
 
 typedef enum {
@@ -1141,7 +1142,7 @@ static int mxf_read_seek(AVFormatContext *s, int stream_index, int64_t sample_ti
     seconds = av_rescale(sample_time, st->time_base.num, st->time_base.den);
     if (avio_seek(s->pb, (s->bit_rate * seconds) >> 3, SEEK_SET) < 0)
         return -1;
-    av_update_cur_dts(s, st, sample_time);
+    ff_update_cur_dts(s, st, sample_time);
     return 0;
 }
 

libavformat/nutdec.c

@@ -874,7 +874,7 @@ static int read_seek(AVFormatContext *s, int stream_index, int64_t pts, int flag
                      (void **) next_node);
         av_log(s, AV_LOG_DEBUG, "%"PRIu64"-%"PRIu64" %"PRId64"-%"PRId64"\n", next_node[0]->pos, next_node[1]->pos,
                                                     next_node[0]->ts , next_node[1]->ts);
-        pos= av_gen_search(s, -1, dummy.ts, next_node[0]->pos, next_node[1]->pos, next_node[1]->pos,
+        pos = ff_gen_search(s, -1, dummy.ts, next_node[0]->pos, next_node[1]->pos, next_node[1]->pos,
                                              next_node[0]->ts , next_node[1]->ts, AVSEEK_FLAG_BACKWARD, &ts, nut_read_timestamp);
 
         if(!(flags & AVSEEK_FLAG_BACKWARD)){
@@ -882,7 +882,7 @@ static int read_seek(AVFormatContext *s, int stream_index, int64_t pts, int flag
             next_node[1]= &nopts_sp;
             av_tree_find(nut->syncpoints, &dummy, (void *) ff_nut_sp_pos_cmp,
                          (void **) next_node);
-            pos2= av_gen_search(s, -2, dummy.pos, next_node[0]->pos     , next_node[1]->pos, next_node[1]->pos,
+            pos2 = ff_gen_search(s, -2, dummy.pos, next_node[0]->pos     , next_node[1]->pos, next_node[1]->pos,
                                                    next_node[0]->back_ptr, next_node[1]->back_ptr, flags, &ts, nut_read_timestamp);
             if(pos2>=0)
                 pos= pos2;

libavformat/oggdec.c

@@ -32,6 +32,7 @@
 #include <stdio.h>
 #include "oggdec.h"
 #include "avformat.h"
+#include "internal.h"
 #include "vorbiscomment.h"
 
 #define MAX_PAGE_SIZE 65307
@@ -661,7 +662,7 @@ static int ogg_read_seek(AVFormatContext *s, int stream_index,
         && !(flags & AVSEEK_FLAG_ANY))
         os->keyframe_seek = 1;
 
-    ret = av_seek_frame_binary(s, stream_index, timestamp, flags);
+    ret = ff_seek_frame_binary(s, stream_index, timestamp, flags);
     os = ogg->streams + stream_index;
     if (ret < 0)
         os->keyframe_seek = 0;

libavformat/seek-test.c

@@ -64,10 +64,10 @@ int main(int argc, char **argv)
     AVFormatContext *ic = NULL;
     int i, ret, stream_id;
     int64_t timestamp;
-    AVFormatParameters params, *ap= &params;
-    memset(ap, 0, sizeof(params));
-    ap->channels=1;
-    ap->sample_rate= 22050;
+    AVDictionary *format_opts = NULL;
+
+    av_dict_set(&format_opts, "channels", "1", 0);
+    av_dict_set(&format_opts, "sample_rate", "22050", 0);
 
     /* initialize libavcodec, and register all codecs and formats */
     av_register_all();
@@ -80,7 +80,8 @@ int main(int argc, char **argv)
 
     filename = argv[1];
 
-    ret = av_open_input_file(&ic, filename, NULL, 0, ap);
+    ret = avformat_open_input(&ic, filename, NULL, &format_opts);
+    av_dict_free(&format_opts);
     if (ret < 0) {
         fprintf(stderr, "cannot open %s\n", filename);
         exit(1);

libavformat/utils.c

@@ -340,6 +340,7 @@ AVInputFormat *av_probe_input_format3(AVProbeData *pd, int is_opened, int *score
             fmt = NULL;
     }
     *score_ret= score_max;
+
     return fmt;
 }
 
@@ -1427,7 +1428,15 @@ void ff_read_frame_flush(AVFormatContext *s)
     }
 }
 
-void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp){
+#if FF_API_SEEK_PUBLIC
+void av_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp)
+{
+    return ff_update_cur_dts(s, ref_st, timestamp);
+}
+#endif
+
+void ff_update_cur_dts(AVFormatContext *s, AVStream *ref_st, int64_t timestamp)
+{
     int i;
 
     for(i = 0; i < s->nb_streams; i++) {
@@ -1547,7 +1556,14 @@ int av_index_search_timestamp(AVStream *st, int64_t wanted_timestamp,
                                      wanted_timestamp, flags);
 }
 
+#if FF_API_SEEK_PUBLIC
 int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags){
+    return ff_seek_frame_binary(s, stream_index, target_ts, flags);
+}
+#endif
+
+int ff_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts, int flags)
+{
     AVInputFormat *avif= s->iformat;
     int64_t av_uninit(pos_min), av_uninit(pos_max), pos, pos_limit;
     int64_t ts_min, ts_max, ts;
@@ -1594,7 +1610,7 @@ int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts
         }
     }
 
-    pos= av_gen_search(s, stream_index, target_ts, pos_min, pos_max, pos_limit, ts_min, ts_max, flags, &ts, avif->read_timestamp);
+    pos= ff_gen_search(s, stream_index, target_ts, pos_min, pos_max, pos_limit, ts_min, ts_max, flags, &ts, avif->read_timestamp);
     if(pos<0)
         return -1;
 
@@ -1603,12 +1619,28 @@ int av_seek_frame_binary(AVFormatContext *s, int stream_index, int64_t target_ts
         return ret;
 
     ff_read_frame_flush(s);
-    av_update_cur_dts(s, st, ts);
+    ff_update_cur_dts(s, st, ts);
 
     return 0;
 }
 
-int64_t av_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts, int64_t pos_min, int64_t pos_max, int64_t pos_limit, int64_t ts_min, int64_t ts_max, int flags, int64_t *ts_ret, int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t )){
+#if FF_API_SEEK_PUBLIC
+int64_t av_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts,
+                      int64_t pos_min, int64_t pos_max, int64_t pos_limit,
+                      int64_t ts_min, int64_t ts_max, int flags, int64_t *ts_ret,
+                      int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ))
+{
+    return ff_gen_search(s, stream_index, target_ts, pos_min, pos_max,
+                         pos_limit, ts_min, ts_max, flags, ts_ret,
+                         read_timestamp);
+}
+#endif
+
+int64_t ff_gen_search(AVFormatContext *s, int stream_index, int64_t target_ts,
+                      int64_t pos_min, int64_t pos_max, int64_t pos_limit,
+                      int64_t ts_min, int64_t ts_max, int flags, int64_t *ts_ret,
+                      int64_t (*read_timestamp)(struct AVFormatContext *, int , int64_t *, int64_t ))
+{
     int64_t pos, ts;
     int64_t start_pos, filesize;
     int no_change;
@@ -1775,7 +1807,7 @@ static int seek_frame_generic(AVFormatContext *s,
             ie= &st->index_entries[st->nb_index_entries-1];
             if ((ret = avio_seek(s->pb, ie->pos, SEEK_SET)) < 0)
                 return ret;
-            av_update_cur_dts(s, st, ie->timestamp);
+            ff_update_cur_dts(s, st, ie->timestamp);
         }else{
             if ((ret = avio_seek(s->pb, s->data_offset, SEEK_SET)) < 0)
                 return ret;
@@ -1812,7 +1844,7 @@ static int seek_frame_generic(AVFormatContext *s,
     ie = &st->index_entries[index];
     if ((ret = avio_seek(s->pb, ie->pos, SEEK_SET)) < 0)
         return ret;
-    av_update_cur_dts(s, st, ie->timestamp);
+    ff_update_cur_dts(s, st, ie->timestamp);
 
     return 0;
 }
@@ -1853,7 +1885,7 @@ int av_seek_frame(AVFormatContext *s, int stream_index, int64_t timestamp, int f
 
     if (s->iformat->read_timestamp && !(s->iformat->flags & AVFMT_NOBINSEARCH)) {
         ff_read_frame_flush(s);
-        return av_seek_frame_binary(s, stream_index, timestamp, flags);
+        return ff_seek_frame_binary(s, stream_index, timestamp, flags);
     } else if (!(s->iformat->flags & AVFMT_NOGENSEARCH)) {
         ff_read_frame_flush(s);
         return seek_frame_generic(s, stream_index, timestamp, flags);

libavformat/version.h

@@ -107,5 +107,11 @@
 #ifndef FF_API_STREAM_COPY
 #define FF_API_STREAM_COPY             (LIBAVFORMAT_VERSION_MAJOR < 54)
 #endif
+#ifndef FF_API_SEEK_PUBLIC
+#define FF_API_SEEK_PUBLIC             (LIBAVFORMAT_VERSION_MAJOR < 54)
+#endif
+#ifndef FF_API_REORDER_PRIVATE
+#define FF_API_REORDER_PRIVATE         (LIBAVFORMAT_VERSION_MAJOR < 54)
+#endif
 
 #endif /* AVFORMAT_VERSION_H */

libavformat/wtvdec.c

@@ -773,7 +773,7 @@ static int parse_chunks(AVFormatContext *s, int mode, int64_t seekts, int *len_p
                 buf_size = FFMIN(len - consumed, sizeof(buf));
                 avio_read(pb, buf, buf_size);
                 consumed += buf_size;
-                ff_parse_mpeg2_descriptor(s, st, 0, &pbuf, buf + buf_size, 0, 0, 0, 0);
+                ff_parse_mpeg2_descriptor(s, st, 0, &pbuf, buf + buf_size, NULL, 0, 0, NULL);
             }
         } else if (!ff_guidcmp(g, EVENTID_AudioTypeSpanningEvent)) {
             int stream_index = ff_find_stream_index(s, sid);

tools/pktdumper.c

@@ -44,7 +44,7 @@ int main(int argc, char **argv)
 {
     char fntemplate[PATH_MAX];
     char pktfilename[PATH_MAX];
-    AVFormatContext *fctx;
+    AVFormatContext *fctx = NULL;
     AVPacket pkt;
     int64_t pktnum = 0;
     int64_t maxpkts = 0;
@@ -83,9 +83,9 @@ int main(int argc, char **argv)
     // register all file formats
     av_register_all();
 
-    err = av_open_input_file(&fctx, argv[1], NULL, 0, NULL);
+    err = avformat_open_input(&fctx, argv[1], NULL, NULL);
     if (err < 0) {
-        fprintf(stderr, "av_open_input_file: error %d\n", err);
+        fprintf(stderr, "cannot open input: error %d\n", err);
         return 1;
     }