mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2025-01-24 13:56:33 +02:00
uniformize variable names and remove duplicating fields in private structs
Originally committed as revision 17884 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier
parent
8b9c94e0bd
commit
6b43d2d075
@ -29,13 +29,11 @@
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typedef struct GXFStreamContext {
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AudioInterleaveContext aic;
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AVCodecContext *codec;
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uint32_t track_type;
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uint32_t sample_size;
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uint32_t sample_rate;
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uint16_t media_type;
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uint16_t media_info;
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uint8_t index;
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int frame_rate_index;
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int lines_index;
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int fields;
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@ -62,7 +60,6 @@ typedef struct GXFContext {
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uint16_t umf_media_size;
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int sample_rate;
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int flags;
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AVFormatContext *fc;
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} GXFContext;
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typedef struct GXF_Lines {
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@ -103,13 +100,14 @@ static const AVCodecTag gxf_media_types[] = {
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#define SERVER_PATH "/space/"
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#define ES_NAME_PATTERN "ES."
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static int gxf_find_lines_index(GXFStreamContext *ctx)
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static int gxf_find_lines_index(AVStream *st)
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{
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GXFStreamContext *sc = st->priv_data;
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int i;
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for (i = 0; i < 6; ++i) {
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if (ctx->codec->height == gxf_lines_tab[i].height) {
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ctx->lines_index = gxf_lines_tab[i].index;
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if (st->codec->height == gxf_lines_tab[i].height) {
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sc->lines_index = gxf_lines_tab[i].index;
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return 0;
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}
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}
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@ -162,44 +160,45 @@ static void gxf_write_packet_header(ByteIOContext *pb, GXFPktType type)
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put_byte(pb, 0xE2); /* trailer 2 */
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}
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static int gxf_write_mpeg_auxiliary(ByteIOContext *pb, GXFStreamContext *ctx)
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static int gxf_write_mpeg_auxiliary(ByteIOContext *pb, AVStream *st)
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{
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GXFStreamContext *sc = st->priv_data;
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char buffer[1024];
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int size, starting_line;
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if (ctx->iframes) {
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ctx->p_per_gop = ctx->pframes / ctx->iframes;
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if (ctx->pframes % ctx->iframes)
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ctx->p_per_gop++;
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if (ctx->pframes) {
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ctx->b_per_i_or_p = ctx->bframes / ctx->pframes;
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if (ctx->bframes % ctx->pframes)
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ctx->b_per_i_or_p++;
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if (sc->iframes) {
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sc->p_per_gop = sc->pframes / sc->iframes;
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if (sc->pframes % sc->iframes)
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sc->p_per_gop++;
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if (sc->pframes) {
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sc->b_per_i_or_p = sc->bframes / sc->pframes;
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if (sc->bframes % sc->pframes)
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sc->b_per_i_or_p++;
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}
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if (ctx->p_per_gop > 9)
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ctx->p_per_gop = 9; /* ensure value won't take more than one char */
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if (ctx->b_per_i_or_p > 9)
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ctx->b_per_i_or_p = 9; /* ensure value won't take more than one char */
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if (sc->p_per_gop > 9)
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sc->p_per_gop = 9; /* ensure value won't take more than one char */
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if (sc->b_per_i_or_p > 9)
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sc->b_per_i_or_p = 9; /* ensure value won't take more than one char */
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}
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if (ctx->codec->height == 512 || ctx->codec->height == 608)
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if (st->codec->height == 512 || st->codec->height == 608)
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starting_line = 7; // VBI
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else if (ctx->codec->height == 480)
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else if (st->codec->height == 480)
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starting_line = 20;
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else
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starting_line = 23; // default PAL
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size = snprintf(buffer, 1024, "Ver 1\nBr %.6f\nIpg 1\nPpi %d\nBpiop %d\n"
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"Pix 0\nCf %d\nCg %d\nSl %d\nnl16 %d\nVi 1\nf1 1\n",
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(float)ctx->codec->bit_rate, ctx->p_per_gop, ctx->b_per_i_or_p,
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ctx->codec->pix_fmt == PIX_FMT_YUV422P ? 2 : 1, ctx->first_gop_closed == 1,
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starting_line, ctx->codec->height / 16);
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(float)st->codec->bit_rate, sc->p_per_gop, sc->b_per_i_or_p,
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st->codec->pix_fmt == PIX_FMT_YUV422P ? 2 : 1, sc->first_gop_closed == 1,
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starting_line, st->codec->height / 16);
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put_byte(pb, TRACK_MPG_AUX);
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put_byte(pb, size + 1);
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put_buffer(pb, (uint8_t *)buffer, size + 1);
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return size + 3;
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}
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static int gxf_write_timecode_auxiliary(ByteIOContext *pb, GXFStreamContext *ctx)
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static int gxf_write_timecode_auxiliary(ByteIOContext *pb, GXFStreamContext *sc)
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{
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/* FIXME implement that */
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put_byte(pb, 0); /* fields */
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@ -211,13 +210,14 @@ static int gxf_write_timecode_auxiliary(ByteIOContext *pb, GXFStreamContext *ctx
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return 8;
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}
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static int gxf_write_track_description(ByteIOContext *pb, GXFStreamContext *stream)
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static int gxf_write_track_description(ByteIOContext *pb, AVStream *st)
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{
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GXFStreamContext *sc = st->priv_data;
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int64_t pos;
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/* track description section */
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put_byte(pb, stream->media_type + 0x80);
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put_byte(pb, stream->index + 0xC0);
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put_byte(pb, sc->media_type + 0x80);
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put_byte(pb, st->index + 0xC0);
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pos = url_ftell(pb);
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put_be16(pb, 0); /* size */
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@ -226,15 +226,15 @@ static int gxf_write_track_description(ByteIOContext *pb, GXFStreamContext *stre
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put_byte(pb, TRACK_NAME);
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put_byte(pb, strlen(ES_NAME_PATTERN) + 3);
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put_tag(pb, ES_NAME_PATTERN);
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put_be16(pb, stream->media_info);
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put_be16(pb, sc->media_info);
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put_byte(pb, 0);
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if (stream->codec->codec_id != CODEC_ID_MPEG2VIDEO) {
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if (st->codec->codec_id != CODEC_ID_MPEG2VIDEO) {
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/* auxiliary information */
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put_byte(pb, TRACK_AUX);
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put_byte(pb, 8);
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if (stream->codec->codec_id == CODEC_ID_NONE)
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gxf_write_timecode_auxiliary(pb, stream);
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if (st->codec->codec_id == CODEC_ID_NONE)
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gxf_write_timecode_auxiliary(pb, sc);
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else
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put_le64(pb, 0);
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}
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@ -244,31 +244,33 @@ static int gxf_write_track_description(ByteIOContext *pb, GXFStreamContext *stre
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put_byte(pb, 4);
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put_be32(pb, 0);
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if (stream->codec->codec_id == CODEC_ID_MPEG2VIDEO)
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gxf_write_mpeg_auxiliary(pb, stream);
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if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO)
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gxf_write_mpeg_auxiliary(pb, st);
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/* frame rate */
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put_byte(pb, TRACK_FPS);
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put_byte(pb, 4);
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put_be32(pb, stream->frame_rate_index);
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put_be32(pb, sc->frame_rate_index);
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/* lines per frame */
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put_byte(pb, TRACK_LINES);
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put_byte(pb, 4);
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put_be32(pb, stream->lines_index);
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put_be32(pb, sc->lines_index);
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/* fields per frame */
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put_byte(pb, TRACK_FPF);
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put_byte(pb, 4);
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put_be32(pb, stream->fields);
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put_be32(pb, sc->fields);
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return updateSize(pb, pos);
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}
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static int gxf_write_material_data_section(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_material_data_section(AVFormatContext *s)
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{
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GXFContext *gxf = s->priv_data;
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ByteIOContext *pb = s->pb;
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int64_t pos;
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const char *filename = strrchr(ctx->fc->filename, '/');
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const char *filename = strrchr(s->filename, '/');
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pos = url_ftell(pb);
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put_be16(pb, 0); /* size */
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@ -277,7 +279,7 @@ static int gxf_write_material_data_section(ByteIOContext *pb, GXFContext *ctx)
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if (filename)
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filename++;
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else
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filename = ctx->fc->filename;
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filename = s->filename;
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put_byte(pb, MAT_NAME);
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put_byte(pb, strlen(SERVER_PATH) + strlen(filename) + 1);
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put_tag(pb, SERVER_PATH);
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@ -292,7 +294,7 @@ static int gxf_write_material_data_section(ByteIOContext *pb, GXFContext *ctx)
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/* last field */
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put_byte(pb, MAT_LAST_FIELD);
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put_byte(pb, 4);
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put_be32(pb, ctx->nb_fields);
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put_be32(pb, gxf->nb_fields);
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/* reserved */
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put_byte(pb, MAT_MARK_IN);
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@ -301,7 +303,7 @@ static int gxf_write_material_data_section(ByteIOContext *pb, GXFContext *ctx)
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put_byte(pb, MAT_MARK_OUT);
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put_byte(pb, 4);
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put_be32(pb, ctx->nb_fields);
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put_be32(pb, gxf->nb_fields);
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/* estimated size */
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put_byte(pb, MAT_SIZE);
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@ -311,20 +313,22 @@ static int gxf_write_material_data_section(ByteIOContext *pb, GXFContext *ctx)
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return updateSize(pb, pos);
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}
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static int gxf_write_track_description_section(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_track_description_section(AVFormatContext *s)
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{
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ByteIOContext *pb = s->pb;
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int64_t pos;
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int i;
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pos = url_ftell(pb);
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put_be16(pb, 0); /* size */
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for (i = 0; i < ctx->fc->nb_streams; ++i)
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gxf_write_track_description(pb, ctx->fc->streams[i]->priv_data);
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for (i = 0; i < s->nb_streams; ++i)
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gxf_write_track_description(pb, s->streams[i]);
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return updateSize(pb, pos);
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}
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static int gxf_write_map_packet(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_map_packet(AVFormatContext *s)
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{
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ByteIOContext *pb = s->pb;
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int64_t pos = url_ftell(pb);
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gxf_write_packet_header(pb, PKT_MAP);
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@ -333,15 +337,17 @@ static int gxf_write_map_packet(ByteIOContext *pb, GXFContext *ctx)
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put_byte(pb, 0xE0); /* version */
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put_byte(pb, 0xFF); /* reserved */
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gxf_write_material_data_section(pb, ctx);
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gxf_write_track_description_section(pb, ctx);
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gxf_write_material_data_section(s);
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gxf_write_track_description_section(s);
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return updatePacketSize(pb, pos);
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}
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#if 0
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static int gxf_write_flt_packet(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_flt_packet(AVFormatContext *s)
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{
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GXFContext *gxf = s->priv_data;
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ByteIOContext *pb = s->pb;
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int64_t pos = url_ftell(pb);
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int i;
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@ -357,59 +363,67 @@ static int gxf_write_flt_packet(ByteIOContext *pb, GXFContext *ctx)
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}
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#endif
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static int gxf_write_umf_material_description(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_umf_material_description(AVFormatContext *s)
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{
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GXFContext *gxf = s->priv_data;
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ByteIOContext *pb = s->pb;
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// XXX drop frame
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uint32_t timecode =
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ctx->nb_fields / (ctx->sample_rate * 3600) % 24 << 24 | // hours
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ctx->nb_fields / (ctx->sample_rate * 60) % 60 << 16 | // minutes
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ctx->nb_fields / ctx->sample_rate % 60 << 8 | // seconds
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ctx->nb_fields % ctx->sample_rate; // fields
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gxf->nb_fields / (gxf->sample_rate * 3600) % 24 << 24 | // hours
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gxf->nb_fields / (gxf->sample_rate * 60) % 60 << 16 | // minutes
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gxf->nb_fields / gxf->sample_rate % 60 << 8 | // seconds
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gxf->nb_fields % gxf->sample_rate; // fields
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put_le32(pb, ctx->flags);
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put_le32(pb, ctx->nb_fields); /* length of the longest track */
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put_le32(pb, ctx->nb_fields); /* length of the shortest track */
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put_le32(pb, gxf->flags);
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put_le32(pb, gxf->nb_fields); /* length of the longest track */
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put_le32(pb, gxf->nb_fields); /* length of the shortest track */
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put_le32(pb, 0); /* mark in */
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put_le32(pb, ctx->nb_fields); /* mark out */
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put_le32(pb, gxf->nb_fields); /* mark out */
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put_le32(pb, 0); /* timecode mark in */
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put_le32(pb, timecode); /* timecode mark out */
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put_le64(pb, ctx->fc->timestamp); /* modification time */
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put_le64(pb, ctx->fc->timestamp); /* creation time */
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put_le64(pb, s->timestamp); /* modification time */
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put_le64(pb, s->timestamp); /* creation time */
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put_le16(pb, 0); /* reserved */
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put_le16(pb, 0); /* reserved */
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put_le16(pb, ctx->audio_tracks);
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put_le16(pb, gxf->audio_tracks);
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put_le16(pb, 0); /* timecode track count */
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put_le16(pb, 0); /* reserved */
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put_le16(pb, ctx->mpeg_tracks);
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put_le16(pb, gxf->mpeg_tracks);
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return 48;
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}
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static int gxf_write_umf_payload(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_umf_payload(AVFormatContext *s)
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{
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put_le32(pb, ctx->umf_length); /* total length of the umf data */
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GXFContext *gxf = s->priv_data;
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ByteIOContext *pb = s->pb;
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put_le32(pb, gxf->umf_length); /* total length of the umf data */
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put_le32(pb, 3); /* version */
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put_le32(pb, ctx->fc->nb_streams);
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put_le32(pb, ctx->umf_track_offset); /* umf track section offset */
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put_le32(pb, ctx->umf_track_size);
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put_le32(pb, ctx->fc->nb_streams);
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put_le32(pb, ctx->umf_media_offset);
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put_le32(pb, ctx->umf_media_size);
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put_le32(pb, ctx->umf_user_data_offset); /* user data offset */
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put_le32(pb, ctx->umf_user_data_size); /* user data size */
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put_le32(pb, s->nb_streams);
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put_le32(pb, gxf->umf_track_offset); /* umf track section offset */
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put_le32(pb, gxf->umf_track_size);
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put_le32(pb, s->nb_streams);
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put_le32(pb, gxf->umf_media_offset);
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put_le32(pb, gxf->umf_media_size);
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put_le32(pb, gxf->umf_user_data_offset); /* user data offset */
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put_le32(pb, gxf->umf_user_data_size); /* user data size */
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put_le32(pb, 0); /* reserved */
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put_le32(pb, 0); /* reserved */
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return 48;
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}
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static int gxf_write_umf_track_description(ByteIOContext *pb, GXFContext *ctx)
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static int gxf_write_umf_track_description(AVFormatContext *s)
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{
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ByteIOContext *pb = s->pb;
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GXFContext *gxf = s->priv_data;
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int64_t pos = url_ftell(pb);
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int tracks[255]={0};
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int i;
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ctx->umf_track_offset = pos - ctx->umf_start_offset;
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for (i = 0; i < ctx->fc->nb_streams; ++i) {
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AVStream *st = ctx->fc->streams[i];
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gxf->umf_track_offset = pos - gxf->umf_start_offset;
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for (i = 0; i < s->nb_streams; ++i) {
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AVStream *st = s->streams[i];
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GXFStreamContext *sc = st->priv_data;
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int id = 0;
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@ -430,20 +444,22 @@ static int gxf_write_umf_track_description(ByteIOContext *pb, GXFContext *ctx)
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return url_ftell(pb) - pos;
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}
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static int gxf_write_umf_media_mpeg(ByteIOContext *pb, GXFStreamContext *stream)
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static int gxf_write_umf_media_mpeg(ByteIOContext *pb, AVStream *st)
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{
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if (stream->codec->pix_fmt == PIX_FMT_YUV422P)
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GXFStreamContext *sc = st->priv_data;
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if (st->codec->pix_fmt == PIX_FMT_YUV422P)
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put_le32(pb, 2);
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else
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put_le32(pb, 1); /* default to 420 */
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put_le32(pb, stream->first_gop_closed == 1); /* closed = 1, open = 0, unknown = 255 */
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put_le32(pb, sc->first_gop_closed == 1); /* closed = 1, open = 0, unknown = 255 */
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put_le32(pb, 3); /* top = 1, bottom = 2, frame = 3, unknown = 0 */
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put_le32(pb, 1); /* I picture per GOP */
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put_le32(pb, stream->p_per_gop);
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put_le32(pb, stream->b_per_i_or_p);
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if (stream->codec->codec_id == CODEC_ID_MPEG2VIDEO)
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put_le32(pb, sc->p_per_gop);
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put_le32(pb, sc->b_per_i_or_p);
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if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO)
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put_le32(pb, 2);
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else if (stream->codec->codec_id == CODEC_ID_MPEG1VIDEO)
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else if (st->codec->codec_id == CODEC_ID_MPEG1VIDEO)
|
||||
put_le32(pb, 1);
|
||||
else
|
||||
put_le32(pb, 0);
|
||||
@ -451,7 +467,7 @@ static int gxf_write_umf_media_mpeg(ByteIOContext *pb, GXFStreamContext *stream)
|
||||
return 32;
|
||||
}
|
||||
|
||||
static int gxf_write_umf_media_timecode(ByteIOContext *pb, GXFStreamContext *track)
|
||||
static int gxf_write_umf_media_timecode(ByteIOContext *pb, GXFStreamContext *sc)
|
||||
{
|
||||
/* FIXME implement */
|
||||
put_be32(pb, 0); /* drop frame flag */
|
||||
@ -465,7 +481,7 @@ static int gxf_write_umf_media_timecode(ByteIOContext *pb, GXFStreamContext *tra
|
||||
return 32;
|
||||
}
|
||||
|
||||
static int gxf_write_umf_media_dv(ByteIOContext *pb, GXFStreamContext *track)
|
||||
static int gxf_write_umf_media_dv(ByteIOContext *pb, GXFStreamContext *sc)
|
||||
{
|
||||
int i;
|
||||
|
||||
@ -475,7 +491,7 @@ static int gxf_write_umf_media_dv(ByteIOContext *pb, GXFStreamContext *track)
|
||||
return 32;
|
||||
}
|
||||
|
||||
static int gxf_write_umf_media_audio(ByteIOContext *pb, GXFStreamContext *track)
|
||||
static int gxf_write_umf_media_audio(ByteIOContext *pb, GXFStreamContext *sc)
|
||||
{
|
||||
put_le64(pb, av_dbl2int(1)); /* sound level to begin to */
|
||||
put_le64(pb, av_dbl2int(1)); /* sound level to begin to */
|
||||
@ -487,7 +503,7 @@ static int gxf_write_umf_media_audio(ByteIOContext *pb, GXFStreamContext *track)
|
||||
}
|
||||
|
||||
#if 0
|
||||
static int gxf_write_umf_media_mjpeg(ByteIOContext *pb, GXFStreamContext *track)
|
||||
static int gxf_write_umf_media_mjpeg(ByteIOContext *pb, GXFStreamContext *sc)
|
||||
{
|
||||
put_be64(pb, 0); /* FIXME FLOAT max chroma quant level */
|
||||
put_be64(pb, 0); /* FIXME FLOAT max luma quant level */
|
||||
@ -497,15 +513,18 @@ static int gxf_write_umf_media_mjpeg(ByteIOContext *pb, GXFStreamContext *track)
|
||||
}
|
||||
#endif
|
||||
|
||||
static int gxf_write_umf_media_description(ByteIOContext *pb, GXFContext *ctx)
|
||||
static int gxf_write_umf_media_description(AVFormatContext *s)
|
||||
{
|
||||
GXFContext *gxf = s->priv_data;
|
||||
ByteIOContext *pb = s->pb;
|
||||
int64_t pos;
|
||||
int i;
|
||||
|
||||
pos = url_ftell(pb);
|
||||
ctx->umf_media_offset = pos - ctx->umf_start_offset;
|
||||
for (i = 0; i < ctx->fc->nb_streams; ++i) {
|
||||
GXFStreamContext *sc = ctx->fc->streams[i]->priv_data;
|
||||
gxf->umf_media_offset = pos - gxf->umf_start_offset;
|
||||
for (i = 0; i < s->nb_streams; ++i) {
|
||||
AVStream *st = s->streams[i];
|
||||
GXFStreamContext *sc = st->priv_data;
|
||||
char buffer[88];
|
||||
int64_t startpos, curpos;
|
||||
int path_size = strlen(ES_NAME_PATTERN);
|
||||
@ -516,10 +535,10 @@ static int gxf_write_umf_media_description(ByteIOContext *pb, GXFContext *ctx)
|
||||
put_le16(pb, sc->media_info);
|
||||
put_le16(pb, 0); /* reserved */
|
||||
put_le16(pb, 0); /* reserved */
|
||||
put_le32(pb, ctx->nb_fields);
|
||||
put_le32(pb, gxf->nb_fields);
|
||||
put_le32(pb, 0); /* attributes rw, ro */
|
||||
put_le32(pb, 0); /* mark in */
|
||||
put_le32(pb, ctx->nb_fields); /* mark out */
|
||||
put_le32(pb, gxf->nb_fields); /* mark out */
|
||||
strncpy(buffer, ES_NAME_PATTERN, path_size);
|
||||
put_buffer(pb, (uint8_t *)buffer, path_size);
|
||||
put_be16(pb, sc->media_info);
|
||||
@ -528,9 +547,9 @@ static int gxf_write_umf_media_description(ByteIOContext *pb, GXFContext *ctx)
|
||||
put_le32(pb, sc->sample_rate);
|
||||
put_le32(pb, sc->sample_size);
|
||||
put_le32(pb, 0); /* reserved */
|
||||
switch (sc->codec->codec_id) {
|
||||
switch (st->codec->codec_id) {
|
||||
case CODEC_ID_MPEG2VIDEO:
|
||||
gxf_write_umf_media_mpeg(pb, sc);
|
||||
gxf_write_umf_media_mpeg(pb, st);
|
||||
break;
|
||||
case CODEC_ID_PCM_S16LE:
|
||||
gxf_write_umf_media_audio(pb, sc);
|
||||
@ -549,10 +568,12 @@ static int gxf_write_umf_media_description(ByteIOContext *pb, GXFContext *ctx)
|
||||
return url_ftell(pb) - pos;
|
||||
}
|
||||
|
||||
static int gxf_write_umf_user_data(ByteIOContext *pb, GXFContext *ctx)
|
||||
static int gxf_write_umf_user_data(AVFormatContext *s)
|
||||
{
|
||||
GXFContext *gxf = s->priv_data;
|
||||
ByteIOContext *pb = s->pb;
|
||||
int64_t pos = url_ftell(pb);
|
||||
ctx->umf_user_data_offset = pos - ctx->umf_start_offset;
|
||||
gxf->umf_user_data_offset = pos - gxf->umf_start_offset;
|
||||
put_le32(pb, 20);
|
||||
put_le32(pb, 0);
|
||||
put_le16(pb, 0);
|
||||
@ -565,23 +586,25 @@ static int gxf_write_umf_user_data(ByteIOContext *pb, GXFContext *ctx)
|
||||
return 20;
|
||||
}
|
||||
|
||||
static int gxf_write_umf_packet(ByteIOContext *pb, GXFContext *ctx)
|
||||
static int gxf_write_umf_packet(AVFormatContext *s)
|
||||
{
|
||||
GXFContext *gxf = s->priv_data;
|
||||
ByteIOContext *pb = s->pb;
|
||||
int64_t pos = url_ftell(pb);
|
||||
|
||||
gxf_write_packet_header(pb, PKT_UMF);
|
||||
|
||||
/* preamble */
|
||||
put_byte(pb, 3); /* first and last (only) packet */
|
||||
put_be32(pb, ctx->umf_length); /* data length */
|
||||
put_be32(pb, gxf->umf_length); /* data length */
|
||||
|
||||
ctx->umf_start_offset = url_ftell(pb);
|
||||
gxf_write_umf_payload(pb, ctx);
|
||||
gxf_write_umf_material_description(pb, ctx);
|
||||
ctx->umf_track_size = gxf_write_umf_track_description(pb, ctx);
|
||||
ctx->umf_media_size = gxf_write_umf_media_description(pb, ctx);
|
||||
ctx->umf_user_data_size = gxf_write_umf_user_data(pb, ctx);
|
||||
ctx->umf_length = url_ftell(pb) - ctx->umf_start_offset;
|
||||
gxf->umf_start_offset = url_ftell(pb);
|
||||
gxf_write_umf_payload(s);
|
||||
gxf_write_umf_material_description(s);
|
||||
gxf->umf_track_size = gxf_write_umf_track_description(s);
|
||||
gxf->umf_media_size = gxf_write_umf_media_description(s);
|
||||
gxf->umf_user_data_size = gxf_write_umf_user_data(s);
|
||||
gxf->umf_length = url_ftell(pb) - gxf->umf_start_offset;
|
||||
return updatePacketSize(pb, pos);
|
||||
}
|
||||
|
||||
@ -593,7 +616,6 @@ static int gxf_write_header(AVFormatContext *s)
|
||||
GXFContext *gxf = s->priv_data;
|
||||
int i;
|
||||
|
||||
gxf->fc = s;
|
||||
gxf->flags |= 0x00080000; /* material is simple clip */
|
||||
for (i = 0; i < s->nb_streams; ++i) {
|
||||
AVStream *st = s->streams[i];
|
||||
@ -602,9 +624,7 @@ static int gxf_write_header(AVFormatContext *s)
|
||||
return AVERROR(ENOMEM);
|
||||
st->priv_data = sc;
|
||||
|
||||
sc->codec = st->codec;
|
||||
sc->index = i;
|
||||
sc->media_type = codec_get_tag(gxf_media_types, sc->codec->codec_id);
|
||||
sc->media_type = codec_get_tag(gxf_media_types, st->codec->codec_id);
|
||||
if (st->codec->codec_type == CODEC_TYPE_AUDIO) {
|
||||
if (st->codec->codec_id != CODEC_ID_PCM_S16LE) {
|
||||
av_log(s, AV_LOG_ERROR, "only 16 BIT PCM LE allowed for now\n");
|
||||
@ -627,9 +647,9 @@ static int gxf_write_header(AVFormatContext *s)
|
||||
sc->fields = -2;
|
||||
gxf->audio_tracks++;
|
||||
gxf->flags |= 0x04000000; /* audio is 16 bit pcm */
|
||||
} else if (sc->codec->codec_type == CODEC_TYPE_VIDEO) {
|
||||
} else if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
|
||||
/* FIXME check from time_base ? */
|
||||
if (sc->codec->height == 480 || sc->codec->height == 512) { /* NTSC or NTSC+VBI */
|
||||
if (st->codec->height == 480 || st->codec->height == 512) { /* NTSC or NTSC+VBI */
|
||||
sc->frame_rate_index = 5;
|
||||
sc->sample_rate = 60;
|
||||
gxf->flags |= 0x00000080;
|
||||
@ -641,11 +661,11 @@ static int gxf_write_header(AVFormatContext *s)
|
||||
}
|
||||
gxf->sample_rate = sc->sample_rate;
|
||||
av_set_pts_info(st, 64, 1, st->codec->time_base.den);
|
||||
if (gxf_find_lines_index(sc) < 0)
|
||||
if (gxf_find_lines_index(st) < 0)
|
||||
sc->lines_index = -1;
|
||||
sc->sample_size = st->codec->bit_rate;
|
||||
sc->fields = 2; /* interlaced */
|
||||
switch (sc->codec->codec_id) {
|
||||
switch (st->codec->codec_id) {
|
||||
case CODEC_ID_MPEG2VIDEO:
|
||||
sc->first_gop_closed = -1;
|
||||
sc->track_type = 4;
|
||||
@ -653,7 +673,7 @@ static int gxf_write_header(AVFormatContext *s)
|
||||
gxf->flags |= 0x00008000;
|
||||
break;
|
||||
case CODEC_ID_DVVIDEO:
|
||||
if (sc->codec->pix_fmt == PIX_FMT_YUV422P) {
|
||||
if (st->codec->pix_fmt == PIX_FMT_YUV422P) {
|
||||
sc->media_type += 2;
|
||||
sc->track_type = 6;
|
||||
gxf->flags |= 0x00002000;
|
||||
@ -672,14 +692,14 @@ static int gxf_write_header(AVFormatContext *s)
|
||||
if (ff_audio_interleave_init(s, GXF_samples_per_frame, (AVRational){ 1, 48000 }) < 0)
|
||||
return -1;
|
||||
|
||||
gxf_write_map_packet(pb, gxf);
|
||||
//gxf_write_flt_packet(pb, gxf);
|
||||
gxf_write_umf_packet(pb, gxf);
|
||||
gxf_write_map_packet(s);
|
||||
//gxf_write_flt_packet(s);
|
||||
gxf_write_umf_packet(s);
|
||||
put_flush_packet(pb);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int gxf_write_eos_packet(ByteIOContext *pb, GXFContext *ctx)
|
||||
static int gxf_write_eos_packet(ByteIOContext *pb)
|
||||
{
|
||||
int64_t pos = url_ftell(pb);
|
||||
|
||||
@ -690,18 +710,17 @@ static int gxf_write_eos_packet(ByteIOContext *pb, GXFContext *ctx)
|
||||
static int gxf_write_trailer(AVFormatContext *s)
|
||||
{
|
||||
ByteIOContext *pb = s->pb;
|
||||
GXFContext *gxf = s->priv_data;
|
||||
int64_t end;
|
||||
|
||||
ff_audio_interleave_close(s);
|
||||
|
||||
gxf_write_eos_packet(pb, gxf);
|
||||
gxf_write_eos_packet(pb);
|
||||
end = url_ftell(pb);
|
||||
url_fseek(pb, 0, SEEK_SET);
|
||||
/* overwrite map and umf packets with new values */
|
||||
gxf_write_map_packet(pb, gxf);
|
||||
//gxf_write_flt_packet(pb, gxf);
|
||||
gxf_write_umf_packet(pb, gxf);
|
||||
gxf_write_map_packet(s);
|
||||
//gxf_write_flt_packet(s);
|
||||
gxf_write_umf_packet(s);
|
||||
url_fseek(pb, end, SEEK_SET);
|
||||
return 0;
|
||||
}
|
||||
@ -718,26 +737,29 @@ static int gxf_parse_mpeg_frame(GXFStreamContext *sc, const uint8_t *buf, int si
|
||||
return (buf[i+1]>>3)&7;
|
||||
}
|
||||
|
||||
static int gxf_write_media_preamble(ByteIOContext *pb, GXFContext *ctx, AVPacket *pkt, int size)
|
||||
static int gxf_write_media_preamble(AVFormatContext *s, AVPacket *pkt, int size)
|
||||
{
|
||||
GXFStreamContext *sc = ctx->fc->streams[pkt->stream_index]->priv_data;
|
||||
GXFContext *gxf = s->priv_data;
|
||||
ByteIOContext *pb = s->pb;
|
||||
AVStream *st = s->streams[pkt->stream_index];
|
||||
GXFStreamContext *sc = st->priv_data;
|
||||
unsigned field_nb;
|
||||
/* If the video is frame-encoded, the frame numbers shall be represented by
|
||||
* even field numbers.
|
||||
* see SMPTE360M-2004 6.4.2.1.3 Media field number */
|
||||
if (sc->codec->codec_type == CODEC_TYPE_VIDEO) {
|
||||
field_nb = ctx->nb_fields;
|
||||
if (st->codec->codec_type == CODEC_TYPE_VIDEO) {
|
||||
field_nb = gxf->nb_fields;
|
||||
} else {
|
||||
field_nb = av_rescale_rnd(pkt->dts, ctx->sample_rate, sc->codec->time_base.den, AV_ROUND_UP);
|
||||
field_nb = av_rescale_rnd(pkt->dts, gxf->sample_rate, st->codec->time_base.den, AV_ROUND_UP);
|
||||
}
|
||||
|
||||
put_byte(pb, sc->media_type);
|
||||
put_byte(pb, sc->index);
|
||||
put_byte(pb, st->index);
|
||||
put_be32(pb, field_nb);
|
||||
if (sc->codec->codec_type == CODEC_TYPE_AUDIO) {
|
||||
if (st->codec->codec_type == CODEC_TYPE_AUDIO) {
|
||||
put_be16(pb, 0);
|
||||
put_be16(pb, size / 2);
|
||||
} else if (sc->codec->codec_id == CODEC_ID_MPEG2VIDEO) {
|
||||
} else if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO) {
|
||||
int frame_type = gxf_parse_mpeg_frame(sc, pkt->data, pkt->size);
|
||||
if (frame_type == FF_I_TYPE) {
|
||||
put_byte(pb, 0x0d);
|
||||
@ -750,7 +772,7 @@ static int gxf_write_media_preamble(ByteIOContext *pb, GXFContext *ctx, AVPacket
|
||||
sc->pframes++;
|
||||
}
|
||||
put_be24(pb, size);
|
||||
} else if (sc->codec->codec_id == CODEC_ID_DVVIDEO) {
|
||||
} else if (st->codec->codec_id == CODEC_ID_DVVIDEO) {
|
||||
put_byte(pb, size / 4096);
|
||||
put_be24(pb, 0);
|
||||
} else
|
||||
@ -761,32 +783,32 @@ static int gxf_write_media_preamble(ByteIOContext *pb, GXFContext *ctx, AVPacket
|
||||
return 16;
|
||||
}
|
||||
|
||||
static int gxf_write_media_packet(ByteIOContext *pb, GXFContext *ctx, AVPacket *pkt)
|
||||
static int gxf_write_media_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
{
|
||||
GXFStreamContext *sc = ctx->fc->streams[pkt->stream_index]->priv_data;
|
||||
GXFContext *gxf = s->priv_data;
|
||||
ByteIOContext *pb = s->pb;
|
||||
AVStream *st = s->streams[pkt->stream_index];
|
||||
int64_t pos = url_ftell(pb);
|
||||
int padding = 0;
|
||||
|
||||
gxf_write_packet_header(pb, PKT_MEDIA);
|
||||
if (sc->codec->codec_id == CODEC_ID_MPEG2VIDEO && pkt->size % 4) /* MPEG-2 frames must be padded */
|
||||
if (st->codec->codec_id == CODEC_ID_MPEG2VIDEO && pkt->size % 4) /* MPEG-2 frames must be padded */
|
||||
padding = 4 - pkt->size % 4;
|
||||
else if (sc->codec->codec_type == CODEC_TYPE_AUDIO)
|
||||
else if (st->codec->codec_type == CODEC_TYPE_AUDIO)
|
||||
padding = GXF_AUDIO_PACKET_SIZE - pkt->size;
|
||||
gxf_write_media_preamble(pb, ctx, pkt, pkt->size + padding);
|
||||
gxf_write_media_preamble(s, pkt, pkt->size + padding);
|
||||
put_buffer(pb, pkt->data, pkt->size);
|
||||
gxf_write_padding(pb, padding);
|
||||
|
||||
if (sc->codec->codec_type == CODEC_TYPE_VIDEO)
|
||||
ctx->nb_fields += 2; // count fields
|
||||
if (st->codec->codec_type == CODEC_TYPE_VIDEO)
|
||||
gxf->nb_fields += 2; // count fields
|
||||
|
||||
return updatePacketSize(pb, pos);
|
||||
}
|
||||
|
||||
static int gxf_write_packet(AVFormatContext *s, AVPacket *pkt)
|
||||
{
|
||||
GXFContext *gxf = s->priv_data;
|
||||
|
||||
gxf_write_media_packet(s->pb, gxf, pkt);
|
||||
gxf_write_media_packet(s, pkt);
|
||||
put_flush_packet(s->pb);
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user