]> git.sesse.net Git - ffmpeg/blobdiff - libavformat/flic.c
mov: Wrap stsc index and count compare in a separate function
[ffmpeg] / libavformat / flic.c
index fcdf4c8040d0a14a0437a2db93e5e656f525e6e5..85e4790f876263592411782eac9e98441b462d0a 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * FLI/FLC Animation File Demuxer
- * Copyright (c) 2003 The ffmpeg Project
+ * Copyright (c) 2003 The FFmpeg project
  *
  * This file is part of Libav.
  *
  * special FLIs from the PC games "Magic Carpet" and "X-COM: Terror from the Deep".
  */
 
+#include "libavutil/channel_layout.h"
 #include "libavutil/intreadwrite.h"
-#include "libavutil/audioconvert.h"
 #include "avformat.h"
+#include "internal.h"
 
 #define FLIC_FILE_MAGIC_1 0xAF11
 #define FLIC_FILE_MAGIC_2 0xAF12
@@ -82,8 +83,7 @@ static int flic_probe(AVProbeData *p)
     return AVPROBE_SCORE_MAX;
 }
 
-static int flic_read_header(AVFormatContext *s,
-                            AVFormatParameters *ap)
+static int flic_read_header(AVFormatContext *s)
 {
     FlicDemuxContext *flic = s->priv_data;
     AVIOContext *pb = s->pb;
@@ -105,29 +105,29 @@ static int flic_read_header(AVFormatContext *s,
         speed = FLIC_DEFAULT_SPEED;
 
     /* initialize the decoder streams */
-    st = av_new_stream(s, 0);
+    st = avformat_new_stream(s, NULL);
     if (!st)
         return AVERROR(ENOMEM);
     flic->video_stream_index = st->index;
-    st->codec->codec_type = AVMEDIA_TYPE_VIDEO;
-    st->codec->codec_id = CODEC_ID_FLIC;
-    st->codec->codec_tag = 0;  /* no fourcc */
-    st->codec->width = AV_RL16(&header[0x08]);
-    st->codec->height = AV_RL16(&header[0x0A]);
+    st->codecpar->codec_type = AVMEDIA_TYPE_VIDEO;
+    st->codecpar->codec_id = AV_CODEC_ID_FLIC;
+    st->codecpar->codec_tag = 0;  /* no fourcc */
+    st->codecpar->width = AV_RL16(&header[0x08]);
+    st->codecpar->height = AV_RL16(&header[0x0A]);
 
-    if (!st->codec->width || !st->codec->height) {
+    if (!st->codecpar->width || !st->codecpar->height) {
         /* Ugly hack needed for the following sample: */
         /* http://samples.libav.org/fli-flc/fli-bugs/specular.flc */
         av_log(s, AV_LOG_WARNING,
                "File with no specified width/height. Trying 640x480.\n");
-        st->codec->width  = 640;
-        st->codec->height = 480;
+        st->codecpar->width  = 640;
+        st->codecpar->height = 480;
     }
 
     /* send over the whole 128-byte FLIC header */
-    st->codec->extradata_size = FLIC_HEADER_SIZE;
-    st->codec->extradata = av_malloc(FLIC_HEADER_SIZE);
-    memcpy(st->codec->extradata, header, FLIC_HEADER_SIZE);
+    st->codecpar->extradata_size = FLIC_HEADER_SIZE;
+    st->codecpar->extradata = av_malloc(FLIC_HEADER_SIZE);
+    memcpy(st->codecpar->extradata, header, FLIC_HEADER_SIZE);
 
     /* peek at the preamble to detect TFTD videos - they seem to always start with an audio chunk */
     if (avio_read(pb, preamble, FLIC_PREAMBLE_SIZE) != FLIC_PREAMBLE_SIZE) {
@@ -145,47 +145,47 @@ static int flic_read_header(AVFormatContext *s,
      */
     if (AV_RL16(&preamble[4]) == FLIC_TFTD_CHUNK_AUDIO) {
         /* TFTD videos have an extra 22050 Hz 8-bit mono audio stream */
-        ast = av_new_stream(s, 1);
+        ast = avformat_new_stream(s, NULL);
         if (!ast)
             return AVERROR(ENOMEM);
 
         flic->audio_stream_index = ast->index;
 
         /* all audio frames are the same size, so use the size of the first chunk for block_align */
-        ast->codec->block_align = AV_RL32(&preamble[0]);
-        ast->codec->codec_type = AVMEDIA_TYPE_AUDIO;
-        ast->codec->codec_id = CODEC_ID_PCM_U8;
-        ast->codec->codec_tag = 0;
-        ast->codec->sample_rate = FLIC_TFTD_SAMPLE_RATE;
-        ast->codec->channels = 1;
-        ast->codec->sample_fmt = AV_SAMPLE_FMT_U8;
-        ast->codec->bit_rate = st->codec->sample_rate * 8;
-        ast->codec->bits_per_coded_sample = 8;
-        ast->codec->channel_layout = AV_CH_LAYOUT_MONO;
-        ast->codec->extradata_size = 0;
+        ast->codecpar->block_align = AV_RL32(&preamble[0]);
+        ast->codecpar->codec_type = AVMEDIA_TYPE_AUDIO;
+        ast->codecpar->codec_id = AV_CODEC_ID_PCM_U8;
+        ast->codecpar->codec_tag = 0;
+        ast->codecpar->sample_rate = FLIC_TFTD_SAMPLE_RATE;
+        ast->codecpar->channels = 1;
+        ast->codecpar->format   = AV_SAMPLE_FMT_U8;
+        ast->codecpar->bit_rate = st->codecpar->sample_rate * 8;
+        ast->codecpar->bits_per_coded_sample = 8;
+        ast->codecpar->channel_layout = AV_CH_LAYOUT_MONO;
+        ast->codecpar->extradata_size = 0;
 
         /* Since the header information is incorrect we have to figure out the
          * framerate using block_align and the fact that the audio is 22050 Hz.
          * We usually have two cases: 2205 -> 10 fps and 1470 -> 15 fps */
-        av_set_pts_info(st, 64, ast->codec->block_align, FLIC_TFTD_SAMPLE_RATE);
-        av_set_pts_info(ast, 64, 1, FLIC_TFTD_SAMPLE_RATE);
+        avpriv_set_pts_info(st, 64, ast->codecpar->block_align, FLIC_TFTD_SAMPLE_RATE);
+        avpriv_set_pts_info(ast, 64, 1, FLIC_TFTD_SAMPLE_RATE);
     } else if (AV_RL16(&header[0x10]) == FLIC_CHUNK_MAGIC_1) {
-        av_set_pts_info(st, 64, FLIC_MC_SPEED, 70);
+        avpriv_set_pts_info(st, 64, FLIC_MC_SPEED, 70);
 
         /* rewind the stream since the first chunk is at offset 12 */
         avio_seek(pb, 12, SEEK_SET);
 
         /* send over abbreviated FLIC header chunk */
-        av_free(st->codec->extradata);
-        st->codec->extradata_size = 12;
-        st->codec->extradata = av_malloc(12);
-        memcpy(st->codec->extradata, header, 12);
+        av_free(st->codecpar->extradata);
+        st->codecpar->extradata_size = 12;
+        st->codecpar->extradata = av_malloc(12);
+        memcpy(st->codecpar->extradata, header, 12);
 
     } else if (magic_number == FLIC_FILE_MAGIC_1) {
-        av_set_pts_info(st, 64, speed, 70);
+        avpriv_set_pts_info(st, 64, speed, 70);
     } else if ((magic_number == FLIC_FILE_MAGIC_2) ||
                (magic_number == FLIC_FILE_MAGIC_3)) {
-        av_set_pts_info(st, 64, speed, 1000);
+        avpriv_set_pts_info(st, 64, speed, 1000);
     } else {
         av_log(s, AV_LOG_INFO, "Invalid or unsupported magic chunk in file\n");
         return AVERROR_INVALIDDATA;
@@ -228,7 +228,7 @@ static int flic_read_packet(AVFormatContext *s,
             ret = avio_read(pb, pkt->data + FLIC_PREAMBLE_SIZE,
                 size - FLIC_PREAMBLE_SIZE);
             if (ret != size - FLIC_PREAMBLE_SIZE) {
-                av_free_packet(pkt);
+                av_packet_unref(pkt);
                 ret = AVERROR(EIO);
             }
             packet_read = 1;
@@ -246,7 +246,7 @@ static int flic_read_packet(AVFormatContext *s,
             ret = avio_read(pb, pkt->data, size);
 
             if (ret != size) {
-                av_free_packet(pkt);
+                av_packet_unref(pkt);
                 ret = AVERROR(EIO);
             }
 
@@ -261,10 +261,10 @@ static int flic_read_packet(AVFormatContext *s,
 }
 
 AVInputFormat ff_flic_demuxer = {
-    "flic",
-    NULL_IF_CONFIG_SMALL("FLI/FLC/FLX animation format"),
-    sizeof(FlicDemuxContext),
-    flic_probe,
-    flic_read_header,
-    flic_read_packet,
+    .name           = "flic",
+    .long_name      = NULL_IF_CONFIG_SMALL("FLI/FLC/FLX animation"),
+    .priv_data_size = sizeof(FlicDemuxContext),
+    .read_probe     = flic_probe,
+    .read_header    = flic_read_header,
+    .read_packet    = flic_read_packet,
 };