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Linshizhi
ffmpeg.wasm-core
Commits
6488cf9b
Commit
6488cf9b
authored
Oct 08, 2008
by
Aurelien Jacobs
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lookup AVCodec by name
Originally committed as revision 15587 to
svn://svn.ffmpeg.org/ffmpeg/trunk
parent
fc228c90
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1 changed file
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30 additions
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8 deletions
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-8
ffmpeg.c
ffmpeg.c
+30
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ffmpeg.c
View file @
6488cf9b
...
...
@@ -94,10 +94,14 @@ static const OptionDef options[];
static
AVFormatContext
*
input_files
[
MAX_FILES
];
static
int64_t
input_files_ts_offset
[
MAX_FILES
];
static
double
input_files_ts_scale
[
MAX_FILES
][
MAX_STREAMS
];
static
AVCodec
*
input_codecs
[
MAX_FILES
*
MAX_STREAMS
];
static
int
nb_input_files
=
0
;
static
int
nb_icodecs
;
static
AVFormatContext
*
output_files
[
MAX_FILES
];
static
AVCodec
*
output_codecs
[
MAX_FILES
*
MAX_STREAMS
];
static
int
nb_output_files
=
0
;
static
int
nb_ocodecs
;
static
AVStreamMap
stream_maps
[
MAX_FILES
*
MAX_STREAMS
];
static
int
nb_stream_maps
;
...
...
@@ -1902,7 +1906,8 @@ static int av_encode(AVFormatContext **output_files,
for
(
i
=
0
;
i
<
nb_ostreams
;
i
++
)
{
ost
=
ost_table
[
i
];
if
(
ost
->
encoding_needed
)
{
AVCodec
*
codec
;
AVCodec
*
codec
=
output_codecs
[
i
];
if
(
!
codec
)
codec
=
avcodec_find_encoder
(
ost
->
st
->
codec
->
codec_id
);
if
(
!
codec
)
{
fprintf
(
stderr
,
"Unsupported codec for output stream #%d.%d
\n
"
,
...
...
@@ -1922,7 +1927,8 @@ static int av_encode(AVFormatContext **output_files,
for
(
i
=
0
;
i
<
nb_istreams
;
i
++
)
{
ist
=
ist_table
[
i
];
if
(
ist
->
decoding_needed
)
{
AVCodec
*
codec
;
AVCodec
*
codec
=
input_codecs
[
i
];
if
(
!
codec
)
codec
=
avcodec_find_decoder
(
ist
->
st
->
codec
->
codec_id
);
if
(
!
codec
)
{
fprintf
(
stderr
,
"Unsupported codec (id=%d) for input stream #%d.%d
\n
"
,
...
...
@@ -2817,6 +2823,7 @@ static void opt_input_file(const char *filename)
audio_channels
=
enc
->
channels
;
audio_sample_rate
=
enc
->
sample_rate
;
audio_sample_fmt
=
enc
->
sample_fmt
;
input_codecs
[
nb_icodecs
++
]
=
avcodec_find_decoder_by_name
(
audio_codec_name
);
if
(
audio_disable
)
ic
->
streams
[
i
]
->
discard
=
AVDISCARD_ALL
;
break
;
...
...
@@ -2849,6 +2856,7 @@ static void opt_input_file(const char *filename)
frame_rate
.
den
=
rfps_base
;
enc
->
rate_emu
=
rate_emu
;
input_codecs
[
nb_icodecs
++
]
=
avcodec_find_decoder_by_name
(
video_codec_name
);
if
(
video_disable
)
ic
->
streams
[
i
]
->
discard
=
AVDISCARD_ALL
;
else
if
(
video_discard
)
...
...
@@ -2857,11 +2865,13 @@ static void opt_input_file(const char *filename)
case
CODEC_TYPE_DATA
:
break
;
case
CODEC_TYPE_SUBTITLE
:
input_codecs
[
nb_icodecs
++
]
=
avcodec_find_decoder_by_name
(
subtitle_codec_name
);
if
(
subtitle_disable
)
ic
->
streams
[
i
]
->
discard
=
AVDISCARD_ALL
;
break
;
case
CODEC_TYPE_ATTACHMENT
:
case
CODEC_TYPE_UNKNOWN
:
nb_icodecs
++
;
break
;
default
:
abort
();
...
...
@@ -2967,12 +2977,16 @@ static void new_video_stream(AVFormatContext *oc)
AVCodec
*
codec
;
AVRational
fps
=
frame_rate
.
num
?
frame_rate
:
(
AVRational
){
25
,
1
};
codec_id
=
av_guess_codec
(
oc
->
oformat
,
NULL
,
oc
->
filename
,
NULL
,
CODEC_TYPE_VIDEO
);
if
(
video_codec_name
)
if
(
video_codec_name
)
{
codec_id
=
find_codec_or_die
(
video_codec_name
,
CODEC_TYPE_VIDEO
,
1
);
codec
=
avcodec_find_encoder_by_name
(
video_codec_name
);
output_codecs
[
nb_ocodecs
]
=
codec
;
}
else
{
codec_id
=
av_guess_codec
(
oc
->
oformat
,
NULL
,
oc
->
filename
,
NULL
,
CODEC_TYPE_VIDEO
);
codec
=
avcodec_find_encoder
(
codec_id
);
}
video_enc
->
codec_id
=
codec_id
;
codec
=
avcodec_find_encoder
(
codec_id
);
set_context_opts
(
video_enc
,
avctx_opts
[
CODEC_TYPE_VIDEO
],
AV_OPT_FLAG_VIDEO_PARAM
|
AV_OPT_FLAG_ENCODING_PARAM
);
...
...
@@ -3053,6 +3067,7 @@ static void new_video_stream(AVFormatContext *oc)
}
}
}
nb_ocodecs
++
;
/* reset some key parameters */
video_disable
=
0
;
...
...
@@ -3094,14 +3109,18 @@ static void new_audio_stream(AVFormatContext *oc)
audio_enc
->
channels
=
audio_channels
;
}
else
{
AVCodec
*
codec
;
codec_id
=
av_guess_codec
(
oc
->
oformat
,
NULL
,
oc
->
filename
,
NULL
,
CODEC_TYPE_AUDIO
);
set_context_opts
(
audio_enc
,
avctx_opts
[
CODEC_TYPE_AUDIO
],
AV_OPT_FLAG_AUDIO_PARAM
|
AV_OPT_FLAG_ENCODING_PARAM
);
if
(
audio_codec_name
)
if
(
audio_codec_name
)
{
codec_id
=
find_codec_or_die
(
audio_codec_name
,
CODEC_TYPE_AUDIO
,
1
);
codec
=
avcodec_find_encoder_by_name
(
audio_codec_name
);
output_codecs
[
nb_ocodecs
]
=
codec
;
}
else
{
codec_id
=
av_guess_codec
(
oc
->
oformat
,
NULL
,
oc
->
filename
,
NULL
,
CODEC_TYPE_AUDIO
);
codec
=
avcodec_find_encoder
(
codec_id
);
}
audio_enc
->
codec_id
=
codec_id
;
codec
=
avcodec_find_encoder
(
codec_id
);
if
(
audio_qscale
>
QSCALE_NONE
)
{
audio_enc
->
flags
|=
CODEC_FLAG_QSCALE
;
...
...
@@ -3121,6 +3140,7 @@ static void new_audio_stream(AVFormatContext *oc)
audio_enc
->
sample_fmt
=
codec
->
sample_fmts
[
0
];
}
}
nb_ocodecs
++
;
audio_enc
->
sample_rate
=
audio_sample_rate
;
audio_enc
->
time_base
=
(
AVRational
){
1
,
audio_sample_rate
};
if
(
audio_language
)
{
...
...
@@ -3157,7 +3177,9 @@ static void new_subtitle_stream(AVFormatContext *oc)
}
else
{
set_context_opts
(
avctx_opts
[
CODEC_TYPE_SUBTITLE
],
subtitle_enc
,
AV_OPT_FLAG_SUBTITLE_PARAM
|
AV_OPT_FLAG_ENCODING_PARAM
);
subtitle_enc
->
codec_id
=
find_codec_or_die
(
subtitle_codec_name
,
CODEC_TYPE_SUBTITLE
,
1
);
output_codecs
[
nb_ocodecs
]
=
avcodec_find_encoder_by_name
(
subtitle_codec_name
);
}
nb_ocodecs
++
;
if
(
subtitle_language
)
{
av_strlcpy
(
st
->
language
,
subtitle_language
,
sizeof
(
st
->
language
));
...
...
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