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-rw-r--r--libavformat/segafilm.c21
1 files changed, 3 insertions, 18 deletions
diff --git a/libavformat/segafilm.c b/libavformat/segafilm.c
index 4feb97262e..56e898b985 100644
--- a/libavformat/segafilm.c
+++ b/libavformat/segafilm.c
@@ -58,8 +58,6 @@ typedef struct FilmDemuxContext {
unsigned int base_clock;
unsigned int version;
- int cvid_extra_bytes; /* the number of bytes thrown into the Cinepak
- * chunk header to throw off decoders */
/* buffer used for interleaving stereo PCM data */
unsigned char *stereo_buffer;
@@ -126,13 +124,8 @@ static int film_read_header(AVFormatContext *s,
if (BE_32(&scratch[0]) != FDSC_TAG)
return AVERROR_INVALIDDATA;
- film->cvid_extra_bytes = 0;
if (BE_32(&scratch[8]) == CVID_TAG) {
film->video_type = CODEC_ID_CINEPAK;
- if (film->version)
- film->cvid_extra_bytes = 2;
- else
- film->cvid_extra_bytes = 6; /* Lemmings 3DO case */
} else
film->video_type = 0;
@@ -231,18 +224,10 @@ static int film_read_packet(AVFormatContext *s,
/* do a special song and dance when loading FILM Cinepak chunks */
if ((sample->stream == film->video_stream_index) &&
(film->video_type == CODEC_ID_CINEPAK)) {
- if (av_new_packet(pkt, sample->sample_size - film->cvid_extra_bytes))
- return AVERROR_NOMEM;
- if(pkt->size < 10)
- return -1;
pkt->pos= url_ftell(pb);
- ret = get_buffer(pb, pkt->data, 10);
- /* skip the non-spec CVID bytes */
- url_fseek(pb, film->cvid_extra_bytes, SEEK_CUR);
- ret += get_buffer(pb, pkt->data + 10,
- sample->sample_size - 10 - film->cvid_extra_bytes);
- if (ret != sample->sample_size - film->cvid_extra_bytes)
- ret = AVERROR_IO;
+ if (av_new_packet(pkt, sample->sample_size))
+ return AVERROR_NOMEM;
+ get_buffer(pb, pkt->data, sample->sample_size);
} else if ((sample->stream == film->audio_stream_index) &&
(film->audio_channels == 2)) {
/* stereo PCM needs to be interleaved */