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FFmpeg
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avformat/ffmdec: replace most codec uses by codecpar 

This is a bit messy as codecar does not support AVOptions so we need
to use AVCodecContext where AVOptions are required and copy back and forth.

Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
tags/n3.3
Michael Niedermayer 9 years ago
parent
5cd3ea1cc0
commit
591c032421
1 changed files with 84 additions and 86 deletions
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  1. +84
    -86
      libavformat/ffmdec.c

+ 84
- 86
libavformat/ffmdec.c View File

@@ -248,16 +248,6 @@ static void adjust_write_index(AVFormatContext *s)
}


static int ffm_close(AVFormatContext *s)
{
int i;

for (i = 0; i < s->nb_streams; i++)
av_freep(&s->streams[i]->codec->rc_eq);

return 0;
}

static int ffm_append_recommended_configuration(AVStream *st, char **conf)
{
int ret;
@@ -281,7 +271,7 @@ static int ffm_append_recommended_configuration(AVStream *st, char **conf)

#define VALIDATE_PARAMETER(parameter, name, check) { \
if (check) { \
av_log(codec, AV_LOG_ERROR, "Invalid " name " %d\n", codec->parameter); \
av_log(codec, AV_LOG_ERROR, "Invalid " name " %d\n", codecpar->parameter); \
ret = AVERROR_INVALIDDATA; \
goto fail; \
} \
@@ -292,9 +282,10 @@ static int ffm2_read_header(AVFormatContext *s)
FFMContext *ffm = s->priv_data;
AVStream *st;
AVIOContext *pb = s->pb;
AVCodecContext *codec;
AVCodecContext *codec, *dummy_codec = NULL;
AVCodecParameters *codecpar;
const AVCodecDescriptor *codec_desc;
int ret, i;
int ret;
int f_main = 0, f_cprv = -1, f_stvi = -1, f_stau = -1;
AVCodec *enc;
char *buffer;
@@ -316,6 +307,7 @@ static int ffm2_read_header(AVFormatContext *s)
} else {
ffm->file_size = (UINT64_C(1) << 63) - 1;
}
dummy_codec = avcodec_alloc_context3(NULL);

while(!avio_feof(pb)) {
unsigned id = avio_rb32(pb);
@@ -346,27 +338,28 @@ static int ffm2_read_header(AVFormatContext *s)
avpriv_set_pts_info(st, 64, 1, 1000000);

codec = st->codec;
codecpar = st->codecpar;
/* generic info */
codec->codec_id = avio_rb32(pb);
codec_desc = avcodec_descriptor_get(codec->codec_id);
codecpar->codec_id = avio_rb32(pb);
codec_desc = avcodec_descriptor_get(codecpar->codec_id);
if (!codec_desc) {
av_log(s, AV_LOG_ERROR, "Invalid codec id: %d\n", codec->codec_id);
codec->codec_id = AV_CODEC_ID_NONE;
av_log(s, AV_LOG_ERROR, "Invalid codec id: %d\n", codecpar->codec_id);
codecpar->codec_id = AV_CODEC_ID_NONE;
ret = AVERROR_INVALIDDATA;
goto fail;
}
codec->codec_type = avio_r8(pb);
if (codec->codec_type != codec_desc->type) {
codecpar->codec_type = avio_r8(pb);
if (codecpar->codec_type != codec_desc->type) {
av_log(s, AV_LOG_ERROR, "Codec type mismatch: expected %d, found %d\n",
codec_desc->type, codec->codec_type);
codec->codec_id = AV_CODEC_ID_NONE;
codec->codec_type = AVMEDIA_TYPE_UNKNOWN;
codec_desc->type, codecpar->codec_type);
codecpar->codec_id = AV_CODEC_ID_NONE;
codecpar->codec_type = AVMEDIA_TYPE_UNKNOWN;
ret = AVERROR_INVALIDDATA;
goto fail;
}
codec->bit_rate = avio_rb32(pb);
if (codec->bit_rate < 0) {
av_log(codec, AV_LOG_ERROR, "Invalid bit rate %"PRId64"\n", codec->bit_rate);
codecpar->bit_rate = avio_rb32(pb);
if (codecpar->bit_rate < 0) {
av_log(codec, AV_LOG_ERROR, "Invalid bit rate %"PRId64"\n", codecpar->bit_rate);
ret = AVERROR_INVALIDDATA;
goto fail;
}
@@ -380,11 +373,11 @@ static int ffm2_read_header(AVFormatContext *s)
ret = AVERROR_INVALIDDATA;
goto fail;
}
codec->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!codec->extradata)
codecpar->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!codecpar->extradata)
return AVERROR(ENOMEM);
codec->extradata_size = size;
avio_read(pb, codec->extradata, size);
codecpar->extradata_size = size;
avio_read(pb, codecpar->extradata, size);
}
break;
case MKBETAG('S', 'T', 'V', 'I'):
@@ -400,16 +393,16 @@ static int ffm2_read_header(AVFormatContext *s)
ret = AVERROR_INVALIDDATA;
goto fail;
}
codec->width = avio_rb16(pb);
codec->height = avio_rb16(pb);
ret = av_image_check_size(codec->width, codec->height, 0, s);
codecpar->width = avio_rb16(pb);
codecpar->height = avio_rb16(pb);
ret = av_image_check_size(codecpar->width, codecpar->height, 0, s);
if (ret < 0)
goto fail;
avio_rb16(pb); // gop_size
codec->pix_fmt = avio_rb32(pb);
if (!av_pix_fmt_desc_get(codec->pix_fmt)) {
av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codec->pix_fmt);
codec->pix_fmt = AV_PIX_FMT_NONE;
codecpar->format = avio_rb32(pb);
if (!av_pix_fmt_desc_get(codecpar->format)) {
av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codecpar->format);
codecpar->format = AV_PIX_FMT_NONE;
goto fail;
}
avio_r8(pb); // qmin
@@ -437,7 +430,7 @@ static int ffm2_read_header(AVFormatContext *s)
avio_rb32(pb); // nsse_weight
avio_rb32(pb); // frame_skip_cmp
avio_rb64(pb); // rc_buffer_aggressivity
codec->codec_tag = avio_rb32(pb);
codecpar->codec_tag = avio_rb32(pb);
avio_r8(pb); // thread_count
avio_rb32(pb); // coder_type
avio_rb32(pb); // me_cmp
@@ -456,19 +449,19 @@ static int ffm2_read_header(AVFormatContext *s)
ret = AVERROR(EINVAL);
goto fail;
}
codec->sample_rate = avio_rb32(pb);
VALIDATE_PARAMETER(sample_rate, "sample rate", codec->sample_rate < 0)
codec->channels = avio_rl16(pb);
VALIDATE_PARAMETER(channels, "number of channels", codec->channels < 0)
codec->frame_size = avio_rl16(pb);
VALIDATE_PARAMETER(frame_size, "frame size", codec->frame_size < 0)
codecpar->sample_rate = avio_rb32(pb);
VALIDATE_PARAMETER(sample_rate, "sample rate", codecpar->sample_rate < 0)
codecpar->channels = avio_rl16(pb);
VALIDATE_PARAMETER(channels, "number of channels", codecpar->channels < 0)
codecpar->frame_size = avio_rl16(pb);
VALIDATE_PARAMETER(frame_size, "frame size", codecpar->frame_size < 0)
break;
case MKBETAG('C', 'P', 'R', 'V'):
if (f_cprv++) {
ret = AVERROR(EINVAL);
goto fail;
}
enc = avcodec_find_encoder(codec->codec_id);
enc = avcodec_find_encoder(codecpar->codec_id);
if (enc && enc->priv_data_size && enc->priv_class) {
buffer = av_malloc(size + 1);
if (!buffer) {
@@ -491,7 +484,10 @@ static int ffm2_read_header(AVFormatContext *s)
goto fail;
}
avio_get_str(pb, INT_MAX, buffer, size);
av_set_options_string(codec, buffer, "=", ",");
// The lack of AVOptions support in AVCodecParameters makes this back and forth copying needed
avcodec_parameters_to_context(dummy_codec, codecpar);
av_set_options_string(dummy_codec, buffer, "=", ",");
avcodec_parameters_from_context(codecpar, dummy_codec);
if ((ret = ffm_append_recommended_configuration(st, &buffer)) < 0)
goto fail;
break;
@@ -506,7 +502,10 @@ static int ffm2_read_header(AVFormatContext *s)
goto fail;
}
avio_get_str(pb, INT_MAX, buffer, size);
av_set_options_string(codec, buffer, "=", ",");
// The lack of AVOptions support in AVCodecParameters makes this back and forth copying needed
avcodec_parameters_to_context(dummy_codec, codecpar);
av_set_options_string(dummy_codec, buffer, "=", ",");
avcodec_parameters_from_context(codecpar, dummy_codec);
if ((ret = ffm_append_recommended_configuration(st, &buffer)) < 0)
goto fail;
break;
@@ -514,9 +513,6 @@ static int ffm2_read_header(AVFormatContext *s)
avio_seek(pb, next, SEEK_SET);
}

for (i = 0; i < s->nb_streams; i++)
avcodec_parameters_from_context(s->streams[i]->codecpar, s->streams[i]->codec);

/* get until end of block reached */
while ((avio_tell(pb) % ffm->packet_size) != 0 && !pb->eof_reached)
avio_r8(pb);
@@ -528,9 +524,10 @@ static int ffm2_read_header(AVFormatContext *s)
ffm->dts = 0;
ffm->read_state = READ_HEADER;
ffm->first_packet = 1;
avcodec_free_context(&dummy_codec);
return 0;
fail:
ffm_close(s);
avcodec_free_context(&dummy_codec);
return ret;
}

@@ -539,7 +536,8 @@ static int ffm_read_header(AVFormatContext *s)
FFMContext *ffm = s->priv_data;
AVStream *st;
AVIOContext *pb = s->pb;
AVCodecContext *codec;
AVCodecContext *codec, *dummy_codec = NULL;
AVCodecParameters *codecpar;
const AVCodecDescriptor *codec_desc;
int i, nb_streams, ret;
uint32_t tag;
@@ -562,6 +560,7 @@ static int ffm_read_header(AVFormatContext *s)
} else {
ffm->file_size = (UINT64_C(1) << 63) - 1;
}
dummy_codec = avcodec_alloc_context3(NULL);

nb_streams = avio_rb32(pb);
avio_rb32(pb); /* total bitrate */
@@ -576,32 +575,33 @@ static int ffm_read_header(AVFormatContext *s)
avpriv_set_pts_info(st, 64, 1, 1000000);

codec = st->codec;
codecpar = st->codecpar;
/* generic info */
codec->codec_id = avio_rb32(pb);
codec_desc = avcodec_descriptor_get(codec->codec_id);
codecpar->codec_id = avio_rb32(pb);
codec_desc = avcodec_descriptor_get(codecpar->codec_id);
if (!codec_desc) {
av_log(s, AV_LOG_ERROR, "Invalid codec id: %d\n", codec->codec_id);
codec->codec_id = AV_CODEC_ID_NONE;
av_log(s, AV_LOG_ERROR, "Invalid codec id: %d\n", codecpar->codec_id);
codecpar->codec_id = AV_CODEC_ID_NONE;
goto fail;
}
codec->codec_type = avio_r8(pb); /* codec_type */
if (codec->codec_type != codec_desc->type) {
codecpar->codec_type = avio_r8(pb); /* codec_type */
if (codecpar->codec_type != codec_desc->type) {
av_log(s, AV_LOG_ERROR, "Codec type mismatch: expected %d, found %d\n",
codec_desc->type, codec->codec_type);
codec->codec_id = AV_CODEC_ID_NONE;
codec->codec_type = AVMEDIA_TYPE_UNKNOWN;
codec_desc->type, codecpar->codec_type);
codecpar->codec_id = AV_CODEC_ID_NONE;
codecpar->codec_type = AVMEDIA_TYPE_UNKNOWN;
goto fail;
}
codec->bit_rate = avio_rb32(pb);
if (codec->bit_rate < 0) {
av_log(codec, AV_LOG_WARNING, "Invalid bit rate %"PRId64"\n", codec->bit_rate);
codecpar->bit_rate = avio_rb32(pb);
if (codecpar->bit_rate < 0) {
av_log(codec, AV_LOG_WARNING, "Invalid bit rate %"PRId64"\n", codecpar->bit_rate);
goto fail;
}
codec->flags = avio_rb32(pb);
codec->flags2 = avio_rb32(pb);
codec->debug = avio_rb32(pb);
/* specific info */
switch(codec->codec_type) {
switch(codecpar->codec_type) {
case AVMEDIA_TYPE_VIDEO:
codec->time_base.num = avio_rb32(pb);
codec->time_base.den = avio_rb32(pb);
@@ -610,15 +610,15 @@ static int ffm_read_header(AVFormatContext *s)
codec->time_base.num, codec->time_base.den);
goto fail;
}
codec->width = avio_rb16(pb);
codec->height = avio_rb16(pb);
if (av_image_check_size(codec->width, codec->height, 0, s) < 0)
codecpar->width = avio_rb16(pb);
codecpar->height = avio_rb16(pb);
if (av_image_check_size(codecpar->width, codecpar->height, 0, s) < 0)
goto fail;
avio_rb16(pb); // gop_size
codec->pix_fmt = avio_rb32(pb);
if (!av_pix_fmt_desc_get(codec->pix_fmt)) {
av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codec->pix_fmt);
codec->pix_fmt = AV_PIX_FMT_NONE;
codecpar->format = avio_rb32(pb);
if (!av_pix_fmt_desc_get(codecpar->format)) {
av_log(s, AV_LOG_ERROR, "Invalid pix fmt id: %d\n", codecpar->format);
codecpar->format = AV_PIX_FMT_NONE;
goto fail;
}
avio_r8(pb); // qmin
@@ -646,7 +646,7 @@ static int ffm_read_header(AVFormatContext *s)
avio_rb32(pb); // nsse_weight
avio_rb32(pb); // frame_skip_cmp
avio_rb64(pb); // rc_buffer_aggressivity
codec->codec_tag = avio_rb32(pb);
codecpar->codec_tag = avio_rb32(pb);
avio_r8(pb); // thread_count
avio_rb32(pb); // coder_type
avio_rb32(pb); // me_cmp
@@ -661,12 +661,12 @@ static int ffm_read_header(AVFormatContext *s)
avio_rb32(pb); // refs
break;
case AVMEDIA_TYPE_AUDIO:
codec->sample_rate = avio_rb32(pb);
VALIDATE_PARAMETER(sample_rate, "sample rate", codec->sample_rate < 0)
codec->channels = avio_rl16(pb);
VALIDATE_PARAMETER(channels, "number of channels", codec->channels < 0)
codec->frame_size = avio_rl16(pb);
VALIDATE_PARAMETER(frame_size, "frame size", codec->frame_size < 0)
codecpar->sample_rate = avio_rb32(pb);
VALIDATE_PARAMETER(sample_rate, "sample rate", codecpar->sample_rate < 0)
codecpar->channels = avio_rl16(pb);
VALIDATE_PARAMETER(channels, "number of channels", codecpar->channels < 0)
codecpar->frame_size = avio_rl16(pb);
VALIDATE_PARAMETER(frame_size, "frame size", codecpar->frame_size < 0)
break;
default:
goto fail;
@@ -677,14 +677,12 @@ static int ffm_read_header(AVFormatContext *s)
av_log(s, AV_LOG_ERROR, "Invalid extradata size %d\n", size);
goto fail;
}
codec->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!codec->extradata)
codecpar->extradata = av_mallocz(size + AV_INPUT_BUFFER_PADDING_SIZE);
if (!codecpar->extradata)
return AVERROR(ENOMEM);
codec->extradata_size = size;
avio_read(pb, codec->extradata, size);
codecpar->extradata_size = size;
avio_read(pb, codecpar->extradata, size);
}

avcodec_parameters_from_context(st->codecpar, codec);
}

/* get until end of block reached */
@@ -698,9 +696,10 @@ static int ffm_read_header(AVFormatContext *s)
ffm->dts = 0;
ffm->read_state = READ_HEADER;
ffm->first_packet = 1;
avcodec_free_context(&dummy_codec);
return 0;
fail:
ffm_close(s);
avcodec_free_context(&dummy_codec);
return -1;
}

@@ -858,7 +857,6 @@ AVInputFormat ff_ffm_demuxer = {
.read_probe = ffm_probe,
.read_header = ffm_read_header,
.read_packet = ffm_read_packet,
.read_close = ffm_close,
.read_seek = ffm_seek,
.priv_class = &ffm_class,
};

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