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Linshizhi
ffmpeg.wasm-core
Commits
62940bb4
Commit
62940bb4
authored
Jun 16, 2011
by
Anton Khirnov
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ffmpeg: initialise encoders earlier.
Fixes choosing supported samplerate and framerate.
parent
9446d759
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1 changed file
with
6 additions
and
6 deletions
+6
-6
ffmpeg.c
ffmpeg.c
+6
-6
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ffmpeg.c
View file @
62940bb4
...
...
@@ -2164,6 +2164,8 @@ static int transcode(AVFormatContext **output_files,
abort
();
}
}
else
{
if
(
!
ost
->
enc
)
ost
->
enc
=
avcodec_find_encoder
(
ost
->
st
->
codec
->
codec_id
);
switch
(
codec
->
codec_type
)
{
case
AVMEDIA_TYPE_AUDIO
:
ost
->
fifo
=
av_fifo_alloc
(
1024
);
...
...
@@ -2175,7 +2177,7 @@ static int transcode(AVFormatContext **output_files,
if
(
icodec
->
lowres
)
codec
->
sample_rate
>>=
icodec
->
lowres
;
}
choose_sample_rate
(
ost
->
st
,
codec
->
code
c
);
choose_sample_rate
(
ost
->
st
,
ost
->
en
c
);
codec
->
time_base
=
(
AVRational
){
1
,
codec
->
sample_rate
};
if
(
!
codec
->
channels
)
codec
->
channels
=
icodec
->
channels
;
...
...
@@ -2228,9 +2230,9 @@ static int transcode(AVFormatContext **output_files,
if
(
!
ost
->
frame_rate
.
num
)
ost
->
frame_rate
=
ist
->
st
->
r_frame_rate
.
num
?
ist
->
st
->
r_frame_rate
:
(
AVRational
){
25
,
1
};
if
(
codec
->
codec
&&
codec
->
code
c
->
supported_framerates
&&
!
force_fps
)
{
int
idx
=
av_find_nearest_q_idx
(
ost
->
frame_rate
,
codec
->
code
c
->
supported_framerates
);
ost
->
frame_rate
=
codec
->
code
c
->
supported_framerates
[
idx
];
if
(
ost
->
enc
&&
ost
->
en
c
->
supported_framerates
&&
!
force_fps
)
{
int
idx
=
av_find_nearest_q_idx
(
ost
->
frame_rate
,
ost
->
en
c
->
supported_framerates
);
ost
->
frame_rate
=
ost
->
en
c
->
supported_framerates
[
idx
];
}
codec
->
time_base
=
(
AVRational
){
ost
->
frame_rate
.
den
,
ost
->
frame_rate
.
num
};
...
...
@@ -2297,8 +2299,6 @@ static int transcode(AVFormatContext **output_files,
if
(
ost
->
encoding_needed
)
{
AVCodec
*
codec
=
ost
->
enc
;
AVCodecContext
*
dec
=
input_streams
[
ost
->
source_index
].
st
->
codec
;
if
(
!
codec
)
codec
=
avcodec_find_encoder
(
ost
->
st
->
codec
->
codec_id
);
if
(
!
codec
)
{
snprintf
(
error
,
sizeof
(
error
),
"Encoder (codec id %d) not found for output stream #%d.%d"
,
ost
->
st
->
codec
->
codec_id
,
ost
->
file_index
,
ost
->
index
);
...
...
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